136624981372 has 24 divisors (see below), whose sum is σ = 260932452480. Its totient is φ = 62077754160.

The previous prime is 136624981313. The next prime is 136624981417. The reversal of 136624981372 is 273189426631.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499768 + ... + 723199.

It is an arithmetic number, because the mean of its divisors is an integer number (10872185520).

Almost surely, 2^136624981372 is an apocalyptic number.

It is an amenable number.

136624981372 is a deficient number, since it is larger than the sum of its proper divisors (124307471108).

136624981372 is a wasteful number, since it uses less digits than its factorization.

136624981372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225521 (or 1225519 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The spelling of 136624981372 in words is "one hundred thirty-six billion, six hundred twenty-four million, nine hundred eighty-one thousand, three hundred seventy-two".