138892296 has 16 divisors (see below), whose sum is σ = 347230800. Its totient is φ = 46297424.

The previous prime is 138892241. The next prime is 138892301. The reversal of 138892296 is 692298831.

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, 2893566 + ... + 2893613.

It is an arithmetic number, because the mean of its divisors is an integer number (21701925).

Almost surely, 2^138892296 is an apocalyptic number.

It is an amenable number.

138892296 is an abundant number, since it is smaller than the sum of its proper divisors (208338504).

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

138892296 is a wasteful number, since it uses less digits than its factorization.

138892296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787188 (or 5787184 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 138892296 is about 11785.2575703716. The cubic root of 138892296 is about 517.8763189656.

The spelling of 138892296 in words is "one hundred thirty-eight million, eight hundred ninety-two thousand, two hundred ninety-six".