136640719326 has 32 divisors (see below), whose sum is σ = 275269222656. Its totient is φ = 45216000000.

The previous prime is 136640719291. The next prime is 136640719357. The reversal of 136640719326 is 623917046631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375326 + ... + 1471326.

It is an arithmetic number, because the mean of its divisors is an integer number (8602163208).

Almost surely, 2^136640719326 is an apocalyptic number.

136640719326 is an abundant number, since it is smaller than the sum of its proper divisors (138628503330).

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

136640719326 is a wasteful number, since it uses less digits than its factorization.

136640719326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97728.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 136640719326 in words is "one hundred thirty-six billion, six hundred forty million, seven hundred nineteen thousand, three hundred twenty-six".