1295131264 has 64 divisors (see below), whose sum is σ = 3122228160. Its totient is φ = 522399744.

The previous prime is 1295131241. The next prime is 1295131289. The reversal of 1295131264 is 4621315921.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 27282 + ... + 57745.

It is an arithmetic number, because the mean of its divisors is an integer number (48784815).

Almost surely, 2^1295131264 is an apocalyptic number.

1295131264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1295131264 is an abundant number, since it is smaller than the sum of its proper divisors (1827096896).

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

1295131264 is an equidigital number, since it uses as much as digits as its factorization.

1295131264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85065 (or 85053 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 1295131264 is about 35987.9321995582. The cubic root of 1295131264 is about 1090.0286904324.

The spelling of 1295131264 in words is "one billion, two hundred ninety-five million, one hundred thirty-one thousand, two hundred sixty-four".