139487310400 has 63 divisors (see below), whose sum is σ = 343262726859. Its totient is φ = 55788948480.

The previous prime is 139487310397. The next prime is 139487310427. The reversal of 139487310400 is 4013784931.

The square root of 139487310400 is 373480.

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 22709284416 + 116778025984 = 150696^2 + 341728^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

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, 14934532 + ... + 14943868.

Almost surely, 2^139487310400 is an apocalyptic number.

139487310400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139487310400 is the 373480-th square number.

It is an amenable number.

139487310400 is an abundant number, since it is smaller than the sum of its proper divisors (203775416459).

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

139487310400 is an frugal number, since it uses more digits than its factorization.

139487310400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18696 (or 9344 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 139487310400 in words is "one hundred thirty-nine billion, four hundred eighty-seven million, three hundred ten thousand, four hundred".