138852274 has 16 divisors (see below), whose sum is σ = 230606496. Its totient is φ = 62172000.

The previous prime is 138852257. The next prime is 138852283. The reversal of 138852274 is 472258831.

It is a happy number.

138852274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45627 + ... + 48574.

It is an arithmetic number, because the mean of its divisors is an integer number (14412906).

Almost surely, 2^138852274 is an apocalyptic number.

138852274 is a deficient number, since it is larger than the sum of its proper divisors (91754222).

138852274 is a wasteful number, since it uses less digits than its factorization.

138852274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94281.

The product of its digits is 107520, while the sum is 40.

The square root of 138852274 is about 11783.5594792066. The cubic root of 138852274 is about 517.8265719368.

The spelling of 138852274 in words is "one hundred thirty-eight million, eight hundred fifty-two thousand, two hundred seventy-four".