1131530867 has 8 divisors (see below), whose sum is σ = 1154660400. Its totient is φ = 1108467360.

The previous prime is 1131530861. The next prime is 1131530891. The reversal of 1131530867 is 7680351311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131530867 - 2⁸ = 1131530611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131530861) 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, 18884 + ... + 51182.

It is an arithmetic number, because the mean of its divisors is an integer number (144332550).

Almost surely, 2^1131530867 is an apocalyptic number.

1131530867 is a deficient number, since it is larger than the sum of its proper divisors (23129533).

1131530867 is an equidigital number, since it uses as much as digits as its factorization.

1131530867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33013.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1131530867 is about 33638.2351944926. The cubic root of 1131530867 is about 1042.0505852717.

The spelling of 1131530867 in words is "one billion, one hundred thirty-one million, five hundred thirty thousand, eight hundred sixty-seven".