139597132 has 12 divisors (see below), whose sum is σ = 258665400. Its totient is φ = 65692736.

The previous prime is 139597111. The next prime is 139597141. The reversal of 139597132 is 231795931.

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, 1026382 + ... + 1026517.

It is an arithmetic number, because the mean of its divisors is an integer number (21555450).

Almost surely, 2^139597132 is an apocalyptic number.

It is an amenable number.

139597132 is a deficient number, since it is larger than the sum of its proper divisors (119068268).

139597132 is a wasteful number, since it uses less digits than its factorization.

139597132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052920 (or 2052918 counting only the distinct ones).

The product of its digits is 51030, while the sum is 40.

The square root of 139597132 is about 11815.1230209423. The cubic root of 139597132 is about 518.7508626879.

The spelling of 139597132 in words is "one hundred thirty-nine million, five hundred ninety-seven thousand, one hundred thirty-two".