139037136 has 160 divisors (see below), whose sum is σ = 447590400. Its totient is φ = 36288000.

The previous prime is 139037123. The next prime is 139037149. The reversal of 139037136 is 631730931.

It is an interprime number because it is at equal distance from previous prime (139037123) and next prime (139037149).

It is a junction number, because it is equal to n+sod(n) for n = 139037097 and 139037106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184761 + ... + 185511.

It is an arithmetic number, because the mean of its divisors is an integer number (2797440).

Almost surely, 2^139037136 is an apocalyptic number.

139037136 is a gapful number since it is divisible by the number (16) 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 139037136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223795200).

139037136 is an abundant number, since it is smaller than the sum of its proper divisors (308553264).

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

139037136 is a wasteful number, since it uses less digits than its factorization.

139037136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 139037136 is about 11791.4009345794. The cubic root of 139037136 is about 518.0562741048.

The spelling of 139037136 in words is "one hundred thirty-nine million, thirty-seven thousand, one hundred thirty-six".