136889964572 has 6 divisors (see below), whose sum is σ = 239557438008. Its totient is φ = 68444982284.

The previous prime is 136889964511. The next prime is 136889964581. The reversal of 136889964572 is 275469988631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17111245568 + ... + 17111245575.

It is an arithmetic number, because the mean of its divisors is an integer number (39926239668).

Almost surely, 2^136889964572 is an apocalyptic number.

It is an amenable number.

136889964572 is a deficient number, since it is larger than the sum of its proper divisors (102667473436).

136889964572 is a wasteful number, since it uses less digits than its factorization.

136889964572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34222491147 (or 34222491145 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 68.

The spelling of 136889964572 in words is "one hundred thirty-six billion, eight hundred eighty-nine million, nine hundred sixty-four thousand, five hundred seventy-two".