136488457672 has 48 divisors (see below), whose sum is σ = 299033199360. Its totient is φ = 58232706336.

The previous prime is 136488457669. The next prime is 136488457709. The reversal of 136488457672 is 276754884631.

It is a self number, because there is not a number n which added to its sum of digits gives 136488457672.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693268 + ... + 868099.

It is an arithmetic number, because the mean of its divisors is an integer number (6229858320).

Almost surely, 2^136488457672 is an apocalyptic number.

It is an amenable number.

136488457672 is an abundant number, since it is smaller than the sum of its proper divisors (162544741688).

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

136488457672 is a wasteful number, since it uses less digits than its factorization.

136488457672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561610 (or 1561599 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 61.

The spelling of 136488457672 in words is "one hundred thirty-six billion, four hundred eighty-eight million, four hundred fifty-seven thousand, six hundred seventy-two".