139570145 has 16 divisors (see below), whose sum is σ = 196765632. Its totient is φ = 93696960.

The previous prime is 139570139. The next prime is 139570159. The reversal of 139570145 is 541075931.

It is not a de Polignac number, because 139570145 - 2⁴ = 139570129 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 96887 + ... + 98316.

It is an arithmetic number, because the mean of its divisors is an integer number (12297852).

Almost surely, 2^139570145 is an apocalyptic number.

It is an amenable number.

139570145 is a deficient number, since it is larger than the sum of its proper divisors (57195487).

139570145 is a wasteful number, since it uses less digits than its factorization.

139570145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195232.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 139570145 is about 11813.9809124613. The cubic root of 139570145 is about 518.7174321258.

The spelling of 139570145 in words is "one hundred thirty-nine million, five hundred seventy thousand, one hundred forty-five".