139414122 has 20 divisors (see below), whose sum is σ = 312391266. Its totient is φ = 46471320.

The previous prime is 139414117. The next prime is 139414133. The reversal of 139414122 is 221414931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 137100681 + 2313441 = 11709^2 + 1521^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 430129 + ... + 430452.

Almost surely, 2^139414122 is an apocalyptic number.

139414122 is an abundant number, since it is smaller than the sum of its proper divisors (172977144).

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

139414122 is an equidigital number, since it uses as much as digits as its factorization.

139414122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860595 (or 860586 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 139414122 is about 11807.3757456939. The cubic root of 139414122 is about 518.5240717046.

The spelling of 139414122 in words is "one hundred thirty-nine million, four hundred fourteen thousand, one hundred twenty-two".