139000932 has 72 divisors (see below), whose sum is σ = 408408000. Its totient is φ = 39037248.

The previous prime is 139000919. The next prime is 139000933. The reversal of 139000932 is 239000931.

It is a junction number, because it is equal to n+sod(n) for n = 139000896 and 139000905.

It is not an unprimeable number, because it can be changed into a prime (139000933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10194 + ... + 19542.

Almost surely, 2^139000932 is an apocalyptic number.

139000932 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 139000932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204204000).

139000932 is an abundant number, since it is smaller than the sum of its proper divisors (269407068).

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

139000932 is a wasteful number, since it uses less digits than its factorization.

139000932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 139000932 is about 11789.8656480895. The cubic root of 139000932 is about 518.0113044943.

Subtracting 139000932 from its reverse (239000931), we obtain a palindrome (99999999).

It can be divided in two parts, 1390009 and 32, that added together give a square (1390041 = 1179²).

The spelling of 139000932 in words is "one hundred thirty-nine million, nine hundred thirty-two", and thus it is an aban number.