139591352 has 16 divisors (see below), whose sum is σ = 277130160. Its totient is φ = 65689984.

The previous prime is 139591337. The next prime is 139591367. The reversal of 139591352 is 253195931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139591337) and next prime (139591367).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513068 + ... + 513339.

It is an arithmetic number, because the mean of its divisors is an integer number (17320635).

Almost surely, 2^139591352 is an apocalyptic number.

It is an amenable number.

139591352 is a deficient number, since it is larger than the sum of its proper divisors (137538808).

139591352 is a wasteful number, since it uses less digits than its factorization.

139591352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026430 (or 1026426 counting only the distinct ones).

The product of its digits is 36450, while the sum is 38.

The square root of 139591352 is about 11814.8784166406. The cubic root of 139591352 is about 518.7437029864.

The spelling of 139591352 in words is "one hundred thirty-nine million, five hundred ninety-one thousand, three hundred fifty-two".