139413952 has 14 divisors (see below), whose sum is σ = 276649688. Its totient is φ = 69706944.

The previous prime is 139413949. The next prime is 139413973. The reversal of 139413952 is 259314931.

It is a congruent number.

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, 1089108 + ... + 1089235.

It is an arithmetic number, because the mean of its divisors is an integer number (19760692).

Almost surely, 2^139413952 is an apocalyptic number.

It is an amenable number.

139413952 is a deficient number, since it is larger than the sum of its proper divisors (137235736).

139413952 is an equidigital number, since it uses as much as digits as its factorization.

139413952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178355 (or 2178345 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 139413952 is about 11807.3685468016. The cubic root of 139413952 is about 518.5238609437.

The spelling of 139413952 in words is "one hundred thirty-nine million, four hundred thirteen thousand, nine hundred fifty-two".