138675098 has 16 divisors (see below), whose sum is σ = 213128064. Its totient is φ = 67642080.

The previous prime is 138675041. The next prime is 138675101. The reversal of 138675098 is 890576831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 28886 + ... + 33342.

It is an arithmetic number, because the mean of its divisors is an integer number (13320504).

Almost surely, 2^138675098 is an apocalyptic number.

138675098 is a deficient number, since it is larger than the sum of its proper divisors (74452966).

138675098 is a wasteful number, since it uses less digits than its factorization.

138675098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 138675098 is about 11776.0391473534. The cubic root of 138675098 is about 517.6062286691.

The spelling of 138675098 in words is "one hundred thirty-eight million, six hundred seventy-five thousand, ninety-eight".