139089198 has 8 divisors (see below), whose sum is σ = 278178408. Its totient is φ = 46363064.

The previous prime is 139089187. The next prime is 139089227. The reversal of 139089198 is 891980931.

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

139089198 is an admirable number.

It is a congruent number.

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, 11590761 + ... + 11590772.

It is an arithmetic number, because the mean of its divisors is an integer number (34772301).

Almost surely, 2^139089198 is an apocalyptic number.

139089198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139089198 is a wasteful number, since it uses less digits than its factorization.

139089198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23181538.

The product of its (nonzero) digits is 139968, while the sum is 48.

The square root of 139089198 is about 11793.6083536804. The cubic root of 139089198 is about 518.1209275271.

The spelling of 139089198 in words is "one hundred thirty-nine million, eighty-nine thousand, one hundred ninety-eight".