139237070 has 16 divisors (see below), whose sum is σ = 286430688. Its totient is φ = 47738400.

The previous prime is 139237069. The next prime is 139237093. The reversal of 139237070 is 70732931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994481 + ... + 994620.

It is an arithmetic number, because the mean of its divisors is an integer number (17901918).

Almost surely, 2^139237070 is an apocalyptic number.

139237070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139237070 is an abundant number, since it is smaller than the sum of its proper divisors (147193618).

139237070 is a wasteful number, since it uses less digits than its factorization.

139237070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989115.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 139237070 is about 11799.8758468045. The cubic root of 139237070 is about 518.3044750725.

The spelling of 139237070 in words is "one hundred thirty-nine million, two hundred thirty-seven thousand, seventy".