139083740 has 24 divisors (see below), whose sum is σ = 299971392. Its totient is φ = 54129600.

The previous prime is 139083733. The next prime is 139083757. The reversal of 139083740 is 47380931.

It is a self number, because there is not a number n which added to its sum of digits gives 139083740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93236 + ... + 94715.

It is an arithmetic number, because the mean of its divisors is an integer number (12498808).

Almost surely, 2^139083740 is an apocalyptic number.

139083740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139083740 is an abundant number, since it is smaller than the sum of its proper divisors (160887652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139083740 is a wasteful number, since it uses less digits than its factorization.

139083740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187997 (or 187995 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 139083740 is about 11793.3769548845. The cubic root of 139083740 is about 518.1141502431.

The spelling of 139083740 in words is "one hundred thirty-nine million, eighty-three thousand, seven hundred forty".