1131680264 has 32 divisors (see below), whose sum is σ = 2492864640. Its totient is φ = 474830400.

The previous prime is 1131680227. The next prime is 1131680267. The reversal of 1131680264 is 4620861311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131680264.

It is not an unprimeable number, because it can be changed into a prime (1131680267) 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, 493472 + ... + 495759.

It is an arithmetic number, because the mean of its divisors is an integer number (77902020).

Almost surely, 2^1131680264 is an apocalyptic number.

It is an amenable number.

1131680264 is an abundant number, since it is smaller than the sum of its proper divisors (1361184376).

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

1131680264 is a wasteful number, since it uses less digits than its factorization.

1131680264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989261 (or 989257 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1131680264 is about 33640.4557638567. The cubic root of 1131680264 is about 1042.0964442005.

The spelling of 1131680264 in words is "one billion, one hundred thirty-one million, six hundred eighty thousand, two hundred sixty-four".