136765404 has 18 divisors (see below), whose sum is σ = 345712640. Its totient is φ = 45588456.

The previous prime is 136765399. The next prime is 136765417. The reversal of 136765404 is 404567631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3799039 = 136765404 / (1 + 3 + 6 + 7 + 6 + 5 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1899484 + ... + 1899555.

Almost surely, 2^136765404 is an apocalyptic number.

It is an amenable number.

136765404 is an abundant number, since it is smaller than the sum of its proper divisors (208947236).

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

136765404 is a wasteful number, since it uses less digits than its factorization.

136765404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799049 (or 3799044 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 136765404 is about 11694.6741724599. The cubic root of 136765404 is about 515.2192537379.

The spelling of 136765404 in words is "one hundred thirty-six million, seven hundred sixty-five thousand, four hundred four".