138182924 has 24 divisors (see below), whose sum is σ = 265435968. Its totient is φ = 62421840.

The previous prime is 138182923. The next prime is 138182959. The reversal of 138182924 is 429281831.

It is not an unprimeable number, because it can be changed into a prime (138182923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2462 + ... + 16805.

It is an arithmetic number, because the mean of its divisors is an integer number (11059832).

Almost surely, 2^138182924 is an apocalyptic number.

It is an amenable number.

138182924 is a deficient number, since it is larger than the sum of its proper divisors (127253044).

138182924 is a wasteful number, since it uses less digits than its factorization.

138182924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19445 (or 19443 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 138182924 is about 11755.1233085834. The cubic root of 138182924 is about 516.9931546345.

The spelling of 138182924 in words is "one hundred thirty-eight million, one hundred eighty-two thousand, nine hundred twenty-four".