139325968 has 10 divisors (see below), whose sum is σ = 269944094. Its totient is φ = 69662976.

The previous prime is 139325957. The next prime is 139325981. The reversal of 139325968 is 869523931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 137170944 + 2155024 = 11712^2 + 1468^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4353921 + ... + 4353952.

Almost surely, 2^139325968 is an apocalyptic number.

It is an amenable number.

139325968 is a deficient number, since it is larger than the sum of its proper divisors (130618126).

139325968 is an equidigital number, since it uses as much as digits as its factorization.

139325968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8707881 (or 8707875 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 139325968 is about 11803.6421497773. The cubic root of 139325968 is about 518.4147580326.

It can be divided in two parts, 13932 and 5968, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 139325968 in words is "one hundred thirty-nine million, three hundred twenty-five thousand, nine hundred sixty-eight".