139029799689 has 27 divisors (see below), whose sum is σ = 220756474029. Its totient is φ = 84253027320.

The previous prime is 139029799681. The next prime is 139029799763. The reversal of 139029799689 is 986997920931.

The square root of 139029799689 is 372867.

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

139029799689 is a `hidden beast` number, since 1 + 390 + 2 + 9 + 79 + 96 + 89 = 666.

It is not a de Polignac number, because 139029799689 - 2³ = 139029799681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139029799681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12298962 + ... + 12310260.

Almost surely, 2^139029799689 is an apocalyptic number.

139029799689 is the 372867-th square number.

139029799689 is the 186434-th centered octagonal number.

It is an amenable number.

139029799689 is a deficient number, since it is larger than the sum of its proper divisors (81726674340).

139029799689 is an frugal number, since it uses more digits than its factorization.

139029799689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626 (or 11313 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 72.

The spelling of 139029799689 in words is "one hundred thirty-nine billion, twenty-nine million, seven hundred ninety-nine thousand, six hundred eighty-nine".