139882670 has 16 divisors (see below), whose sum is σ = 253110528. Its totient is φ = 55659360.

The previous prime is 139882663. The next prime is 139882679. The reversal of 139882670 is 76288931.

It is a super-2 number, since 2×139882670² = 39134322732657800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139882679) 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, 34709 + ... + 38528.

It is an arithmetic number, because the mean of its divisors is an integer number (15819408).

Almost surely, 2^139882670 is an apocalyptic number.

139882670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139882670 is a deficient number, since it is larger than the sum of its proper divisors (113227858).

139882670 is a wasteful number, since it uses less digits than its factorization.

139882670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73435.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 139882670 is about 11827.2004295184. The cubic root of 139882670 is about 519.1043136121.

The spelling of 139882670 in words is "one hundred thirty-nine million, eight hundred eighty-two thousand, six hundred seventy".