139130870 has 16 divisors (see below), whose sum is σ = 252735120. Its totient is φ = 55141344.

The previous prime is 139130869. The next prime is 139130891. The reversal of 139130870 is 78031931.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62732 + ... + 64911.

It is an arithmetic number, because the mean of its divisors is an integer number (15795945).

Almost surely, 2^139130870 is an apocalyptic number.

139130870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139130870 is a deficient number, since it is larger than the sum of its proper divisors (113604250).

139130870 is a wasteful number, since it uses less digits than its factorization.

139130870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127759.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 139130870 is about 11795.3749410521. The cubic root of 139130870 is about 518.1726664584.

The spelling of 139130870 in words is "one hundred thirty-nine million, one hundred thirty thousand, eight hundred seventy".