139375264 has 48 divisors (see below), whose sum is σ = 314471808. Its totient is φ = 59565312.

The previous prime is 139375259. The next prime is 139375273. The reversal of 139375264 is 462573931.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 112054 + ... + 113290.

It is an arithmetic number, because the mean of its divisors is an integer number (6551496).

Almost surely, 2^139375264 is an apocalyptic number.

139375264 is a gapful number since it is divisible by the number (14) 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 139375264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157235904).

139375264 is an abundant number, since it is smaller than the sum of its proper divisors (175096544).

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

139375264 is a wasteful number, since it uses less digits than its factorization.

139375264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1749 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 139375264 is about 11805.7301341340. The cubic root of 139375264 is about 518.4758922701.

The spelling of 139375264 in words is "one hundred thirty-nine million, three hundred seventy-five thousand, two hundred sixty-four".