139201692 has 48 divisors (see below), whose sum is σ = 372675072. Its totient is φ = 39614400.

The previous prime is 139201669. The next prime is 139201697. The reversal of 139201692 is 296102931.

It is a super-2 number, since 2×139201692² = 38754222111325728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139201697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18942 + ... + 25242.

It is an arithmetic number, because the mean of its divisors is an integer number (7764064).

Almost surely, 2^139201692 is an apocalyptic number.

139201692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139201692 is an abundant number, since it is smaller than the sum of its proper divisors (233473380).

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

139201692 is a wasteful number, since it uses less digits than its factorization.

139201692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578 (or 6576 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 139201692 is about 11798.3766679997. The cubic root of 139201692 is about 518.2605736198.

The spelling of 139201692 in words is "one hundred thirty-nine million, two hundred one thousand, six hundred ninety-two".