139327920 has 120 divisors (see below), whose sum is σ = 495477216. Its totient is φ = 34965504.

The previous prime is 139327913. The next prime is 139327927. The reversal of 139327920 is 29723931.

139327920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139327913) and next prime (139327927).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (139327927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6549 + ... + 17931.

Almost surely, 2^139327920 is an apocalyptic number.

139327920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139327920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247738608).

139327920 is an abundant number, since it is smaller than the sum of its proper divisors (356149296).

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

139327920 is a wasteful number, since it uses less digits than its factorization.

139327920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11419 (or 11410 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 139327920 is about 11803.7248358304. The cubic root of 139327920 is about 518.4171790718.

The spelling of 139327920 in words is "one hundred thirty-nine million, three hundred twenty-seven thousand, nine hundred twenty".