139482624 has 80 divisors (see below), whose sum is σ = 377118720. Its totient is φ = 45803520.

The previous prime is 139482619. The next prime is 139482659. The reversal of 139482624 is 426284931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108417 + ... + 109695.

It is an arithmetic number, because the mean of its divisors is an integer number (4713984).

Almost surely, 2^139482624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139482624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188559360).

139482624 is an abundant number, since it is smaller than the sum of its proper divisors (237636096).

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

139482624 is an equidigital number, since it uses as much as digits as its factorization.

139482624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1355 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 139482624 is about 11810.2762033748. The cubic root of 139482624 is about 518.6089844795.

The spelling of 139482624 in words is "one hundred thirty-nine million, four hundred eighty-two thousand, six hundred twenty-four".