139864332 has 24 divisors (see below), whose sum is σ = 337604400. Its totient is φ = 45013696.

The previous prime is 139864273. The next prime is 139864349. The reversal of 139864332 is 233468931.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200607 + ... + 201302.

It is an arithmetic number, because the mean of its divisors is an integer number (14066850).

Almost surely, 2^139864332 is an apocalyptic number.

139864332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139864332 is an abundant number, since it is smaller than the sum of its proper divisors (197740068).

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

139864332 is a wasteful number, since it uses less digits than its factorization.

139864332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401945 (or 401943 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 139864332 is about 11826.4251572485. The cubic root of 139864332 is about 519.0816285268.

The spelling of 139864332 in words is "one hundred thirty-nine million, eight hundred sixty-four thousand, three hundred thirty-two".