139254268 has 12 divisors (see below), whose sum is σ = 256521160. Its totient is φ = 65962512.

The previous prime is 139254257. The next prime is 139254281. The reversal of 139254268 is 862452931.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139254268.

It is a congruent number.

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, 916071 + ... + 916222.

Almost surely, 2^139254268 is an apocalyptic number.

It is an amenable number.

139254268 is a deficient number, since it is larger than the sum of its proper divisors (117266892).

139254268 is a wasteful number, since it uses less digits than its factorization.

139254268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832316 (or 1832314 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 139254268 is about 11800.6045607842. The cubic root of 139254268 is about 518.3258138185.

The spelling of 139254268 in words is "one hundred thirty-nine million, two hundred fifty-four thousand, two hundred sixty-eight".