139348736 has 36 divisors (see below), whose sum is σ = 292803000. Its totient is φ = 66004992.

The previous prime is 139348723. The next prime is 139348739. The reversal of 139348736 is 637843931.

It is not an unprimeable number, because it can be changed into a prime (139348739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9461 + ... + 19188.

Almost surely, 2^139348736 is an apocalyptic number.

139348736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139348736 is an abundant number, since it is smaller than the sum of its proper divisors (153454264).

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

139348736 is an equidigital number, since it uses as much as digits as its factorization.

139348736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28684 (or 28670 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 139348736 is about 11804.6065584584. The cubic root of 139348736 is about 518.4429954686.

The spelling of 139348736 in words is "one hundred thirty-nine million, three hundred forty-eight thousand, seven hundred thirty-six".