139342032 has 60 divisors (see below), whose sum is σ = 404418560. Its totient is φ = 46446048.

The previous prime is 139342009. The next prime is 139342033. The reversal of 139342032 is 230243931.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 139341987 and 139342005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139342033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14032 + ... + 21807.

Almost surely, 2^139342032 is an apocalyptic number.

139342032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139342032 is an abundant number, since it is smaller than the sum of its proper divisors (265076528).

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

139342032 is an equidigital number, since it uses as much as digits as its factorization.

139342032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35862 (or 35844 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 139342032 is about 11804.3225980994. The cubic root of 139342032 is about 518.4346813217.

Adding to 139342032 its reverse (230243931), we get a palindrome (369585963).

The spelling of 139342032 in words is "one hundred thirty-nine million, three hundred forty-two thousand, thirty-two".