136450449664 has 27 divisors (see below), whose sum is σ = 272379687727. Its totient is φ = 68222269696.

The previous prime is 136450449659. The next prime is 136450449671. The reversal of 136450449664 is 466944054631.

The square root of 136450449664 is 369392.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5898729 + ... + 5921815.

Almost surely, 2^136450449664 is an apocalyptic number.

136450449664 is the 369392-nd square number.

It is an amenable number.

136450449664 is a deficient number, since it is larger than the sum of its proper divisors (135929238063).

136450449664 is an frugal number, since it uses more digits than its factorization.

136450449664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46190 (or 23089 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 136450449664 in words is "one hundred thirty-six billion, four hundred fifty million, four hundred forty-nine thousand, six hundred sixty-four".