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135392454 = 2321731531
BaseRepresentation
bin10000001000111…
…10110011000110
3100102202122112100
420010132303012
5234130024304
621233532530
73232550121
oct1004366306
9312678470
10135392454
116a47539a
1239414146
13220860a2
1413da53b8
15bd46439
hex811ecc6

135392454 has 48 divisors (see below), whose sum is σ = 311884560. Its totient is φ = 42448320.

The previous prime is 135392449. The next prime is 135392459. The reversal of 135392454 is 454293531.

135392454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135392449) and next prime (135392459).

It is a super-2 number, since 2×1353924542 = 36662233200284232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135392459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87669 + ... + 89199.

It is an arithmetic number, because the mean of its divisors is an integer number (6497595).

Almost surely, 2135392454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135392454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155942280).

135392454 is an abundant number, since it is smaller than the sum of its proper divisors (176492106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135392454 is a wasteful number, since it uses less digits than its factorization.

135392454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1553 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 135392454 is about 11635.8263135886. The cubic root of 135392454 is about 513.4894044847.

The spelling of 135392454 in words is "one hundred thirty-five million, three hundred ninety-two thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 289 306 578 867 1531 1734 2601 3062 4593 4913 5202 9186 9826 13779 14739 26027 27558 29478 44217 52054 78081 88434 156162 234243 442459 468486 884918 1327377 2654754 3982131 7521803 7964262 15043606 22565409 45130818 67696227 135392454