136402472 has 16 divisors (see below), whose sum is σ = 255957300. Its totient is φ = 68147200.

The previous prime is 136402447. The next prime is 136402477. The reversal of 136402472 is 274204631.

136402472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136095556 + 306916 = 11666^2 + 554^2 .

It is not an unprimeable number, because it can be changed into a prime (136402477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5222 + ... + 17322.

Almost surely, 2^136402472 is an apocalyptic number.

It is an amenable number.

136402472 is a deficient number, since it is larger than the sum of its proper divisors (119554828).

136402472 is a wasteful number, since it uses less digits than its factorization.

136402472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13516 (or 13512 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 136402472 is about 11679.1468866523. The cubic root of 136402472 is about 514.7631071866.

The spelling of 136402472 in words is "one hundred thirty-six million, four hundred two thousand, four hundred seventy-two".