138975348 has 24 divisors (see below), whose sum is σ = 341343520. Its totient is φ = 43886880.

The previous prime is 138975313. The next prime is 138975371. The reversal of 138975348 is 843579831.

It is a super-2 number, since 2×138975348² = 38628294703442208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138975297 and 138975306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304543 + ... + 304998.

Almost surely, 2^138975348 is an apocalyptic number.

It is an amenable number.

138975348 is an abundant number, since it is smaller than the sum of its proper divisors (202368172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138975348 is a wasteful number, since it uses less digits than its factorization.

138975348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609567 (or 609565 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 138975348 is about 11788.7805985182. The cubic root of 138975348 is about 517.9795214595.

The spelling of 138975348 in words is "one hundred thirty-eight million, nine hundred seventy-five thousand, three hundred forty-eight".