136434375 has 180 divisors, whose sum is σ = 323276184. Its totient is φ = 56700000.

The previous prime is 136434341. The next prime is 136434391. The reversal of 136434375 is 573434631.

136434375 is a `hidden beast` number, since 1 + 3 + 643 + 4 + 3 + 7 + 5 = 666.

It is not a de Polignac number, because 136434375 - 2⁸ = 136434119 is a prime.

It is a super-2 number, since 2×136434375² = 37228677363281250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 12403120 + ... + 12403130.

Almost surely, 2^136434375 is an apocalyptic number.

136434375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136434375 is an abundant number, since it is smaller than the sum of its proper divisors (186841809).

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

136434375 is an frugal number, since it uses more digits than its factorization.

136434375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 26 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 136434375 is about 11680.5126171757. The cubic root of 136434375 is about 514.8032364867.

The spelling of 136434375 in words is "one hundred thirty-six million, four hundred thirty-four thousand, three hundred seventy-five".