139418670 has 16 divisors (see below), whose sum is σ = 334604880. Its totient is φ = 37178304.

The previous prime is 139418659. The next prime is 139418681. The reversal of 139418670 is 76814931.

139418670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (139418659) and next prime (139418681).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323615 + ... + 2323674.

It is an arithmetic number, because the mean of its divisors is an integer number (20912805).

Almost surely, 2^139418670 is an apocalyptic number.

139418670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139418670 is an abundant number, since it is smaller than the sum of its proper divisors (195186210).

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

139418670 is a wasteful number, since it uses less digits than its factorization.

139418670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647299.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 139418670 is about 11807.5683356058. The cubic root of 139418670 is about 518.5297101143.

The spelling of 139418670 in words is "one hundred thirty-nine million, four hundred eighteen thousand, six hundred seventy".