139570146 has 12 divisors (see below), whose sum is σ = 302402022. Its totient is φ = 46523376.

The previous prime is 139570139. The next prime is 139570159. The reversal of 139570146 is 641075931.

It can be written as a sum of positive squares in only one way, i.e., 128936025 + 10634121 = 11355^2 + 3261^2 .

It is a super-2 number, since 2×139570146² = 38959651308922632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139570146.

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 5 ways as a sum of consecutive naturals, for example, 3876931 + ... + 3876966.

Almost surely, 2^139570146 is an apocalyptic number.

139570146 is an abundant number, since it is smaller than the sum of its proper divisors (162831876).

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

139570146 is a wasteful number, since it uses less digits than its factorization.

139570146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753905 (or 7753902 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 139570146 is about 11813.9809547840. The cubic root of 139570146 is about 518.7174333646.

The spelling of 139570146 in words is "one hundred thirty-nine million, five hundred seventy thousand, one hundred forty-six".