138844352 has 14 divisors (see below), whose sum is σ = 275519388. Its totient is φ = 69422144.

The previous prime is 138844339. The next prime is 138844367. The reversal of 138844352 is 253448831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084658 + ... + 1084785.

Almost surely, 2^138844352 is an apocalyptic number.

It is an amenable number.

138844352 is a deficient number, since it is larger than the sum of its proper divisors (136675036).

138844352 is an equidigital number, since it uses as much as digits as its factorization.

138844352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169455 (or 2169445 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 138844352 is about 11783.2233281051. The cubic root of 138844352 is about 517.8167238203.

The spelling of 138844352 in words is "one hundred thirty-eight million, eight hundred forty-four thousand, three hundred fifty-two".