139907417764 has 27 divisors (see below), whose sum is σ = 253611122947. Its totient is φ = 67531038848.

The previous prime is 139907417731. The next prime is 139907417773. The reversal of 139907417764 is 467714709931.

The square root of 139907417764 is 374042.

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

It can be written as a sum of positive squares in 4 ways, for example, as 49258251364 + 90649166400 = 221942^2 + 301080^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139907417699 and 139907417708.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21691212 + ... + 21697660.

Almost surely, 2^139907417764 is an apocalyptic number.

139907417764 is the 374042-nd square number.

It is an amenable number.

139907417764 is a deficient number, since it is larger than the sum of its proper divisors (113703705183).

139907417764 is an frugal number, since it uses more digits than its factorization.

139907417764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960 (or 6480 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 139907417764 in words is "one hundred thirty-nine billion, nine hundred seven million, four hundred seventeen thousand, seven hundred sixty-four".