139124320 has 48 divisors (see below), whose sum is σ = 329395248. Its totient is φ = 55528960.

The previous prime is 139124317. The next prime is 139124333. The reversal of 139124320 is 23421931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126975 + ... + 128065.

It is an arithmetic number, because the mean of its divisors is an integer number (6862401).

Almost surely, 2^139124320 is an apocalyptic number.

139124320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139124320 is an abundant number, since it is smaller than the sum of its proper divisors (190270928).

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

139124320 is a wasteful number, since it uses less digits than its factorization.

139124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 139124320 is about 11795.0972865848. The cubic root of 139124320 is about 518.1645348237.

The spelling of 139124320 in words is "one hundred thirty-nine million, one hundred twenty-four thousand, three hundred twenty".