139882320 has 120 divisors (see below), whose sum is σ = 490254336. Its totient is φ = 35675904.

The previous prime is 139882289. The next prime is 139882331. The reversal of 139882320 is 23288931.

It is a happy number.

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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12337 + ... + 20783.

Almost surely, 2^139882320 is an apocalyptic number.

139882320 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 139882320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245127168).

139882320 is an abundant number, since it is smaller than the sum of its proper divisors (350372016).

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

139882320 is a wasteful number, since it uses less digits than its factorization.

139882320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489 (or 8480 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 139882320 is about 11827.1856331082. The cubic root of 139882320 is about 519.1038806620.

The spelling of 139882320 in words is "one hundred thirty-nine million, eight hundred eighty-two thousand, three hundred twenty".