136388968524 has 36 divisors (see below), whose sum is σ = 344810760840. Its totient is φ = 45456428160.

The previous prime is 136388968523. The next prime is 136388968531. The reversal of 136388968524 is 425869883631.

It is a happy number.

136388968524 is a `hidden beast` number, since 13 + 6 + 3 + 8 + 8 + 96 + 8 + 524 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (136388968523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17197 + ... + 522564.

It is an arithmetic number, because the mean of its divisors is an integer number (9578076690).

Almost surely, 2^136388968524 is an apocalyptic number.

It is an amenable number.

136388968524 is an abundant number, since it is smaller than the sum of its proper divisors (208421792316).

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

136388968524 is a wasteful number, since it uses less digits than its factorization.

136388968524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546790 (or 546785 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 136388968524 in words is "one hundred thirty-six billion, three hundred eighty-eight million, nine hundred sixty-eight thousand, five hundred twenty-four".