139109604676 has 27 divisors (see below), whose sum is σ = 283198039677. Its totient is φ = 59616164160.

The previous prime is 139109604659. The next prime is 139109604677. The reversal of 139109604676 is 676406901931.

The square root of 139109604676 is 372974.

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

It can be written as a sum of positive squares in only one way, i.e., 8644164676 + 130465440000 = 92974^2 + 361200^2 .

It is a super-2 number, since 2×139109604676² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139109604677) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5208316 + ... + 5234956.

Almost surely, 2^139109604676 is an apocalyptic number.

139109604676 is the 372974-th square number.

It is an amenable number.

139109604676 is an abundant number, since it is smaller than the sum of its proper divisors (144088435001).

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

139109604676 is an frugal number, since it uses more digits than its factorization.

139109604676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53300 (or 26650 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 139109604676 in words is "one hundred thirty-nine billion, one hundred nine million, six hundred four thousand, six hundred seventy-six".