1131490372 has 24 divisors (see below), whose sum is σ = 2011842560. Its totient is φ = 556696800.

The previous prime is 1131490343. The next prime is 1131490391. The reversal of 1131490372 is 2730941311.

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, 341122 + ... + 344422.

Almost surely, 2^1131490372 is an apocalyptic number.

It is an amenable number.

1131490372 is a deficient number, since it is larger than the sum of its proper divisors (880352188).

1131490372 is a wasteful number, since it uses less digits than its factorization.

1131490372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651 (or 4649 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 1131490372 is about 33637.6332698958. The cubic root of 1131490372 is about 1042.0381542242.

The spelling of 1131490372 in words is "one billion, one hundred thirty-one million, four hundred ninety thousand, three hundred seventy-two".