139807134 has 24 divisors (see below), whose sum is σ = 314135640. Its totient is φ = 46602216.

The previous prime is 139807081. The next prime is 139807139. The reversal of 139807134 is 431708931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139807139) 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 11 ways as a sum of consecutive naturals, for example, 143349 + ... + 144320.

It is an arithmetic number, because the mean of its divisors is an integer number (13088985).

Almost surely, 2^139807134 is an apocalyptic number.

139807134 is an abundant number, since it is smaller than the sum of its proper divisors (174328506).

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

139807134 is an equidigital number, since it uses as much as digits as its factorization.

139807134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287686 (or 287674 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 139807134 is about 11824.0066813242. The cubic root of 139807134 is about 519.0108588058.

The spelling of 139807134 in words is "one hundred thirty-nine million, eight hundred seven thousand, one hundred thirty-four".