136145863524 has 48 divisors (see below), whose sum is σ = 346686209856. Its totient is φ = 41240476800.

The previous prime is 136145863523. The next prime is 136145863561. The reversal of 136145863524 is 425368541631.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (136145863523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149214 + ... + 542730.

It is an arithmetic number, because the mean of its divisors is an integer number (7222629372).

Almost surely, 2^136145863524 is an apocalyptic number.

It is an amenable number.

136145863524 is an abundant number, since it is smaller than the sum of its proper divisors (210540346332).

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

136145863524 is a wasteful number, since it uses less digits than its factorization.

136145863524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396156 (or 396154 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The spelling of 136145863524 in words is "one hundred thirty-six billion, one hundred forty-five million, eight hundred sixty-three thousand, five hundred twenty-four".