136631345326 has 64 divisors (see below), whose sum is σ = 239708160000. Its totient is φ = 57199465440.

The previous prime is 136631345311. The next prime is 136631345353. The reversal of 136631345326 is 623543136631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134083245 + ... + 134084263.

It is an arithmetic number, because the mean of its divisors is an integer number (3745440000).

Almost surely, 2^136631345326 is an apocalyptic number.

136631345326 is a deficient number, since it is larger than the sum of its proper divisors (103076814674).

136631345326 is a wasteful number, since it uses less digits than its factorization.

136631345326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957.

The product of its digits is 699840, while the sum is 43.

The spelling of 136631345326 in words is "one hundred thirty-six billion, six hundred thirty-one million, three hundred forty-five thousand, three hundred twenty-six".