139299032 has 16 divisors (see below), whose sum is σ = 274932600. Its totient is φ = 65983680.

The previous prime is 139299029. The next prime is 139299067. The reversal of 139299032 is 230992931.

It is a super-2 number, since 2×139299032² = 38808440632274048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 in 3 ways as a sum of consecutive naturals, for example, 458069 + ... + 458372.

Almost surely, 2^139299032 is an apocalyptic number.

It is an amenable number.

139299032 is a deficient number, since it is larger than the sum of its proper divisors (135633568).

139299032 is a wasteful number, since it uses less digits than its factorization.

139299032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916466 (or 916462 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 139299032 is about 11802.5010908705. The cubic root of 139299032 is about 518.3813473671.

The spelling of 139299032 in words is "one hundred thirty-nine million, two hundred ninety-nine thousand, thirty-two".