11139198 has 32 divisors (see below), whose sum is σ = 25569024. Its totient is φ = 3169152.

The previous prime is 11139179. The next prime is 11139203. The reversal of 11139198 is 89193111.

It is a happy number.

It is a congruent 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, 13761 + ... + 14547.

It is an arithmetic number, because the mean of its divisors is an integer number (799032).

Almost surely, 2^11139198 is an apocalyptic number.

11139198 is an abundant number, since it is smaller than the sum of its proper divisors (14429826).

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

11139198 is a wasteful number, since it uses less digits than its factorization.

11139198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 1944, while the sum is 33.

The square root of 11139198 is about 3337.5437075790. The cubic root of 11139198 is about 223.3321813757.

The spelling of 11139198 in words is "eleven million, one hundred thirty-nine thousand, one hundred ninety-eight".