138600460 has 12 divisors (see below), whose sum is σ = 291061008. Its totient is φ = 55440176.

The previous prime is 138600457. The next prime is 138600467. The reversal of 138600460 is 64006831.

138600460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (138600467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464992 + ... + 3465031.

It is an arithmetic number, because the mean of its divisors is an integer number (24255084).

Almost surely, 2^138600460 is an apocalyptic number.

138600460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138600460 is an abundant number, since it is smaller than the sum of its proper divisors (152460548).

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

138600460 is a wasteful number, since it uses less digits than its factorization.

138600460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930032 (or 6930030 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 138600460 is about 11772.8696586686. The cubic root of 138600460 is about 517.5133496366.

The spelling of 138600460 in words is "one hundred thirty-eight million, six hundred thousand, four hundred sixty".