139884070 has 16 divisors (see below), whose sum is σ = 252686160. Its totient is φ = 55754784.

The previous prime is 139884053. The next prime is 139884077. The reversal of 139884070 is 70488931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139884077) by changing a digit.

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, 21885 + ... + 27544.

It is an arithmetic number, because the mean of its divisors is an integer number (15792885).

Almost surely, 2^139884070 is an apocalyptic number.

139884070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139884070 is a deficient number, since it is larger than the sum of its proper divisors (112802090).

139884070 is a wasteful number, since it uses less digits than its factorization.

139884070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49719.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 139884070 is about 11827.2596149742. The cubic root of 139884070 is about 519.1060454054.

The spelling of 139884070 in words is "one hundred thirty-nine million, eight hundred eighty-four thousand, seventy".