136574964 has 144 divisors (see below), whose sum is σ = 389168640. Its totient is φ = 41368320.

The previous prime is 136574939. The next prime is 136574969. The reversal of 136574964 is 469475631.

136574964 is a `hidden beast` number, since 13 + 6 + 574 + 9 + 64 = 666.

136574964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (544320) is a multiple of the sum of its prime divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136574969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1208572 + ... + 1208684.

It is an arithmetic number, because the mean of its divisors is an integer number (2702560).

Almost surely, 2^136574964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136574964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194584320).

136574964 is an abundant number, since it is smaller than the sum of its proper divisors (252593676).

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

136574964 is a wasteful number, since it uses less digits than its factorization.

136574964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 168 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 136574964 is about 11686.5291682347. The cubic root of 136574964 is about 514.9800023655.

The spelling of 136574964 in words is "one hundred thirty-six million, five hundred seventy-four thousand, nine hundred sixty-four".