136865235 has 32 divisors (see below), whose sum is σ = 237081600. Its totient is φ = 67022208.

The previous prime is 136865219. The next prime is 136865243. The reversal of 136865235 is 532568631.

It is not a de Polignac number, because 136865235 - 2⁴ = 136865219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 136865193 and 136865202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37042 + ... + 40568.

It is an arithmetic number, because the mean of its divisors is an integer number (7408800).

Almost surely, 2^136865235 is an apocalyptic number.

136865235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136865235 is a deficient number, since it is larger than the sum of its proper divisors (100216365).

136865235 is a wasteful number, since it uses less digits than its factorization.

136865235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747.

The product of its digits is 129600, while the sum is 39.

The square root of 136865235 is about 11698.9416187961. The cubic root of 136865235 is about 515.3445835412.

The spelling of 136865235 in words is "one hundred thirty-six million, eight hundred sixty-five thousand, two hundred thirty-five".