138233174 has 16 divisors (see below), whose sum is σ = 216615168. Its totient is φ = 66035112.

The previous prime is 138233167. The next prime is 138233203. The reversal of 138233174 is 471332831.

It is a super-2 number, since 2×138233174² = 38216820788228552, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138233174.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73919 + ... + 75765.

It is an arithmetic number, because the mean of its divisors is an integer number (13538448).

Almost surely, 2^138233174 is an apocalyptic number.

138233174 is a deficient number, since it is larger than the sum of its proper divisors (78381994).

138233174 is a wasteful number, since it uses less digits than its factorization.

138233174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499.

The product of its digits is 12096, while the sum is 32.

The square root of 138233174 is about 11757.2604802309. The cubic root of 138233174 is about 517.0558149518.

The spelling of 138233174 in words is "one hundred thirty-eight million, two hundred thirty-three thousand, one hundred seventy-four".