139394852 has 12 divisors (see below), whose sum is σ = 244102320. Its totient is φ = 69651336.

The previous prime is 139394837. The next prime is 139394861. The reversal of 139394852 is 258493931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4202 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (20341860).

Almost surely, 2^139394852 is an apocalyptic number.

It is an amenable number.

139394852 is a deficient number, since it is larger than the sum of its proper divisors (104707468).

139394852 is a wasteful number, since it uses less digits than its factorization.

139394852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23050 (or 23048 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 139394852 is about 11806.5597021317. The cubic root of 139394852 is about 518.5001802481.

The spelling of 139394852 in words is "one hundred thirty-nine million, three hundred ninety-four thousand, eight hundred fifty-two".