138526124 has 36 divisors (see below), whose sum is σ = 268306752. Its totient is φ = 62531040.

The previous prime is 138526111. The next prime is 138526133. The reversal of 138526124 is 421625831.

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 11 ways as a sum of consecutive naturals, for example, 75077 + ... + 76899.

Almost surely, 2^138526124 is an apocalyptic number.

It is an amenable number.

138526124 is a deficient number, since it is larger than the sum of its proper divisors (129780628).

138526124 is a wasteful number, since it uses less digits than its factorization.

138526124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 1993 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 138526124 is about 11769.7121460127. The cubic root of 138526124 is about 517.4208132627.

The spelling of 138526124 in words is "one hundred thirty-eight million, five hundred twenty-six thousand, one hundred twenty-four".