139590409924 has 27 divisors (see below), whose sum is σ = 284176840143. Its totient is φ = 59822219688.

The previous prime is 139590409921. The next prime is 139590409943. The reversal of 139590409924 is 429904095931.

The square root of 139590409924 is 373618.

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

It is not an unprimeable number, because it can be changed into a prime (139590409921) 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, 5217309 + ... + 5243995.

Almost surely, 2^139590409924 is an apocalyptic number.

139590409924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139590409924 is the 373618-th square number.

It is an amenable number.

139590409924 is an abundant number, since it is smaller than the sum of its proper divisors (144586430219).

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

139590409924 is an frugal number, since it uses more digits than its factorization.

139590409924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53392 (or 26696 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 139590409924 in words is "one hundred thirty-nine billion, five hundred ninety million, four hundred nine thousand, nine hundred twenty-four".