138413674 has 8 divisors (see below), whose sum is σ = 237280608. Its totient is φ = 59320140.

The previous prime is 138413669. The next prime is 138413741. The reversal of 138413674 is 476314831.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4943332 + ... + 4943359.

It is an arithmetic number, because the mean of its divisors is an integer number (29660076).

Almost surely, 2^138413674 is an apocalyptic number.

138413674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138413674 is a deficient number, since it is larger than the sum of its proper divisors (98866934).

138413674 is an equidigital number, since it uses as much as digits as its factorization.

138413674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886700.

The product of its digits is 48384, while the sum is 37.

The square root of 138413674 is about 11764.9340839632. The cubic root of 138413674 is about 517.2807681466.

The spelling of 138413674 in words is "one hundred thirty-eight million, four hundred thirteen thousand, six hundred seventy-four".