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136942875 = 3253121727
BaseRepresentation
bin10000010100110…
…01010100011011
3100112200102022100
420022121110123
5240024133000
621331054443
73251665236
oct1012312433
9315612270
10136942875
1170334233
1239a41423
13224a99b4
141428a41d
15c050a00
hex829951b

136942875 has 24 divisors (see below), whose sum is σ = 246864384. Its totient is φ = 73035600.

The previous prime is 136942867. The next prime is 136942877. The reversal of 136942875 is 578249631.

136942875 is a `hidden beast` number, since 1 + 369 + 4 + 287 + 5 = 666.

It is not a de Polignac number, because 136942875 - 23 = 136942867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 136942875.

It is not an unprimeable number, because it can be changed into a prime (136942877) 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, 59739 + ... + 61988.

It is an arithmetic number, because the mean of its divisors is an integer number (10286016).

Almost surely, 2136942875 is an apocalyptic number.

136942875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136942875 is a deficient number, since it is larger than the sum of its proper divisors (109921509).

136942875 is a wasteful number, since it uses less digits than its factorization.

136942875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121748 (or 121735 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 136942875 is about 11702.2593972275. The cubic root of 136942875 is about 515.4420122030.

It can be divided in two parts, 1369 and 42875, that added together give a palindrome (44244).

The spelling of 136942875 in words is "one hundred thirty-six million, nine hundred forty-two thousand, eight hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 1125 121727 365181 608635 1095543 1825905 3043175 5477715 9129525 15215875 27388575 45647625 136942875