138250132 has 12 divisors (see below), whose sum is σ = 242943316. Its totient is φ = 68837760.

The previous prime is 138250127. The next prime is 138250139. The reversal of 138250132 is 231052831.

It can be written as a sum of positive squares in 2 ways, for example, as 124456336 + 13793796 = 11156^2 + 3714^2 .

It is a super-2 number, since 2×138250132² = 38226197996034848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138250097 and 138250106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138250139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70743 + ... + 72670.

Almost surely, 2^138250132 is an apocalyptic number.

It is an amenable number.

138250132 is a deficient number, since it is larger than the sum of its proper divisors (104693184).

138250132 is a wasteful number, since it uses less digits than its factorization.

138250132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143658 (or 143656 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 138250132 is about 11757.9816295145. The cubic root of 138250132 is about 517.0769576673.

The spelling of 138250132 in words is "one hundred thirty-eight million, two hundred fifty thousand, one hundred thirty-two".