139365072 has 120 divisors (see below), whose sum is σ = 486308160. Its totient is φ = 36195840.

The previous prime is 139365059. The next prime is 139365131. The reversal of 139365072 is 270563931.

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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4804 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (4052568).

Almost surely, 2^139365072 is an apocalyptic number.

139365072 is a gapful number since it is divisible by the number (12) 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 139365072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243154080).

139365072 is an abundant number, since it is smaller than the sum of its proper divisors (346943088).

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

139365072 is a wasteful number, since it uses less digits than its factorization.

139365072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12601 (or 12592 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 139365072 is about 11805.2984714492. The cubic root of 139365072 is about 518.4632538843.

The spelling of 139365072 in words is "one hundred thirty-nine million, three hundred sixty-five thousand, seventy-two".