138512480628 has 12 divisors (see below), whose sum is σ = 323195788160. Its totient is φ = 46170826872.

The previous prime is 138512480611. The next prime is 138512480633. The reversal of 138512480628 is 826084215831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771353348 + ... + 5771353371.

Almost surely, 2^138512480628 is an apocalyptic number.

It is an amenable number.

138512480628 is an abundant number, since it is smaller than the sum of its proper divisors (184683307532).

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

138512480628 is a wasteful number, since it uses less digits than its factorization.

138512480628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542706726 (or 11542706724 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 138512480628 in words is "one hundred thirty-eight billion, five hundred twelve million, four hundred eighty thousand, six hundred twenty-eight".