1919133196 has 12 divisors (see below), whose sum is σ = 3556041048. Its totient is φ = 903121472.

The previous prime is 1919133191. The next prime is 1919133241. The reversal of 1919133196 is 6913319191.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1919133191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14111206 + ... + 14111341.

It is an arithmetic number, because the mean of its divisors is an integer number (296336754).

Almost surely, 2^1919133196 is an apocalyptic number.

It is an amenable number.

1919133196 is a deficient number, since it is larger than the sum of its proper divisors (1636907852).

1919133196 is a wasteful number, since it uses less digits than its factorization.

1919133196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28222568 (or 28222566 counting only the distinct ones).

The product of its digits is 39366, while the sum is 43.

The square root of 1919133196 is about 43807.9124816511. The cubic root of 1919133196 is about 1242.7059352300.

The spelling of 1919133196 in words is "one billion, nine hundred nineteen million, one hundred thirty-three thousand, one hundred ninety-six".