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135097380 = 223251131271
BaseRepresentation
bin10000000110101…
…10110000100100
3100102012122202200
420003112300210
5234041104010
621223334500
73230210625
oct1003266044
9312178680
10135097380
116a293730
12392b1430
1321cb19a2
1413d29a4c
15bcd8cc0
hex80d6c24

135097380 has 216 divisors, whose sum is σ = 468441792. Its totient is φ = 31248000.

The previous prime is 135097363. The next prime is 135097387. The reversal of 135097380 is 83790531.

135097380 is a `hidden beast` number, since 1 + 3 + 509 + 73 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (135097387) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1902745 + ... + 1902815.

It is an arithmetic number, because the mean of its divisors is an integer number (2168712).

Almost surely, 2135097380 is an apocalyptic number.

135097380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135097380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234220896).

135097380 is an abundant number, since it is smaller than the sum of its proper divisors (333344412).

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

135097380 is a wasteful number, since it uses less digits than its factorization.

135097380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 135097380 is about 11623.1398511762. The cubic root of 135097380 is about 513.1161006219.

The spelling of 135097380 in words is "one hundred thirty-five million, ninety-seven thousand, three hundred eighty".