138498652 has 6 divisors (see below), whose sum is σ = 242372648. Its totient is φ = 69249324.

The previous prime is 138498631. The next prime is 138498667. The reversal of 138498652 is 256894831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17312328 + ... + 17312335.

Almost surely, 2^138498652 is an apocalyptic number.

It is an amenable number.

138498652 is a deficient number, since it is larger than the sum of its proper divisors (103873996).

138498652 is a wasteful number, since it uses less digits than its factorization.

138498652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624667 (or 34624665 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 138498652 is about 11768.5450247684. The cubic root of 138498652 is about 517.3866066598.

The spelling of 138498652 in words is "one hundred thirty-eight million, four hundred ninety-eight thousand, six hundred fifty-two".