138713468 has 24 divisors (see below), whose sum is σ = 251368320. Its totient is φ = 66908160.

The previous prime is 138713453. The next prime is 138713473. The reversal of 138713468 is 864317831.

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, 42188 + ... + 45356.

It is an arithmetic number, because the mean of its divisors is an integer number (10473680).

Almost surely, 2^138713468 is an apocalyptic number.

It is an amenable number.

138713468 is a deficient number, since it is larger than the sum of its proper divisors (112654852).

138713468 is a wasteful number, since it uses less digits than its factorization.

138713468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557 (or 3555 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 138713468 is about 11777.6681902658. The cubic root of 138713468 is about 517.6539630733.

The spelling of 138713468 in words is "one hundred thirty-eight million, seven hundred thirteen thousand, four hundred sixty-eight".