1131430264 has 8 divisors (see below), whose sum is σ = 2121431760. Its totient is φ = 565715128.

The previous prime is 1131430253. The next prime is 1131430277. The reversal of 1131430264 is 4620341311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70714384 + ... + 70714399.

It is an arithmetic number, because the mean of its divisors is an integer number (265178970).

Almost surely, 2^1131430264 is an apocalyptic number.

It is an amenable number.

1131430264 is a deficient number, since it is larger than the sum of its proper divisors (990001496).

1131430264 is a wasteful number, since it uses less digits than its factorization.

1131430264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141428789 (or 141428785 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1131430264 is about 33636.7397944569. The cubic root of 1131430264 is about 1042.0197018832.

Adding to 1131430264 its reverse (4620341311), we get a palindrome (5751771575).

The spelling of 1131430264 in words is "one billion, one hundred thirty-one million, four hundred thirty thousand, two hundred sixty-four".