1320144198 has 16 divisors (see below), whose sum is σ = 2667509040. Its totient is φ = 435511296.

The previous prime is 1320144157. The next prime is 1320144211. The reversal of 1320144198 is 8914410231.

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 7 ways as a sum of consecutive naturals, for example, 1133563 + ... + 1134726.

It is an arithmetic number, because the mean of its divisors is an integer number (166719315).

Almost surely, 2^1320144198 is an apocalyptic number.

1320144198 is an abundant number, since it is smaller than the sum of its proper divisors (1347364842).

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

1320144198 is a wasteful number, since it uses less digits than its factorization.

1320144198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268391.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1320144198 is about 36333.7886546394. The cubic root of 1320144198 is about 1097.0012533824.

The spelling of 1320144198 in words is "one billion, three hundred twenty million, one hundred forty-four thousand, one hundred ninety-eight".