138675698 has 32 divisors (see below), whose sum is σ = 254202624. Its totient is φ = 55383552.

The previous prime is 138675689. The next prime is 138675701. The reversal of 138675698 is 896576831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21686 + ... + 27342.

It is an arithmetic number, because the mean of its divisors is an integer number (7943832).

Almost surely, 2^138675698 is an apocalyptic number.

138675698 is a deficient number, since it is larger than the sum of its proper divisors (115526926).

138675698 is a wasteful number, since it uses less digits than its factorization.

138675698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786.

The product of its digits is 2177280, while the sum is 53.

The square root of 138675698 is about 11776.0646227846. The cubic root of 138675698 is about 517.6069751701.

The spelling of 138675698 in words is "one hundred thirty-eight million, six hundred seventy-five thousand, six hundred ninety-eight".