138476760 has 32 divisors (see below), whose sum is σ = 415430640. Its totient is φ = 36927104.

The previous prime is 138476743. The next prime is 138476773. The reversal of 138476760 is 67674831.

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, 576867 + ... + 577106.

Almost surely, 2^138476760 is an apocalyptic number.

138476760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138476760 is an abundant number, since it is smaller than the sum of its proper divisors (276953880).

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

138476760 is a wasteful number, since it uses less digits than its factorization.

138476760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153987 (or 1153983 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 138476760 is about 11767.6148815297. The cubic root of 138476760 is about 517.3593447231.

The spelling of 138476760 in words is "one hundred thirty-eight million, four hundred seventy-six thousand, seven hundred sixty".