1131399096 has 32 divisors (see below), whose sum is σ = 2994881040. Its totient is φ = 354948608.

The previous prime is 1131399089. The next prime is 1131399097. The reversal of 1131399096 is 6909931311.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131399097) 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, 1386111 + ... + 1386926.

Almost surely, 2^1131399096 is an apocalyptic number.

It is an amenable number.

1131399096 is an abundant number, since it is smaller than the sum of its proper divisors (1863481944).

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

1131399096 is a wasteful number, since it uses less digits than its factorization.

1131399096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773063 (or 2773059 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 1131399096 is about 33636.2764883392. The cubic root of 1131399096 is about 1042.0101334725.

The spelling of 1131399096 in words is "one billion, one hundred thirty-one million, three hundred ninety-nine thousand, ninety-six".