1131922194 has 16 divisors (see below), whose sum is σ = 2437986432. Its totient is φ = 348283728.

The previous prime is 1131922177. The next prime is 1131922199. The reversal of 1131922194 is 4912291311.

It is not an unprimeable number, because it can be changed into a prime (1131922199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7255834 + ... + 7255989.

It is an arithmetic number, because the mean of its divisors is an integer number (152374152).

Almost surely, 2^1131922194 is an apocalyptic number.

1131922194 is an abundant number, since it is smaller than the sum of its proper divisors (1306064238).

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

1131922194 is a wasteful number, since it uses less digits than its factorization.

1131922194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14511841.

The product of its digits is 3888, while the sum is 33.

The square root of 1131922194 is about 33644.0513909963. The cubic root of 1131922194 is about 1042.1706985157.

The spelling of 1131922194 in words is "one billion, one hundred thirty-one million, nine hundred twenty-two thousand, one hundred ninety-four".