1131914651 has 12 divisors (see below), whose sum is σ = 1317274560. Its totient is φ = 969801840.

The previous prime is 1131914647. The next prime is 1131914657. The reversal of 1131914651 is 1564191311.

It is not a de Polignac number, because 1131914651 - 2² = 1131914647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131914657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192566 + ... + 198356.

It is an arithmetic number, because the mean of its divisors is an integer number (109772880).

Almost surely, 2^1131914651 is an apocalyptic number.

1131914651 is a deficient number, since it is larger than the sum of its proper divisors (185359909).

1131914651 is an equidigital number, since it uses as much as digits as its factorization.

1131914651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794 (or 9787 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 1131914651 is about 33643.9392907549. The cubic root of 1131914651 is about 1042.1683835418.

The spelling of 1131914651 in words is "one billion, one hundred thirty-one million, nine hundred fourteen thousand, six hundred fifty-one".