1325091968 has 32 divisors (see below), whose sum is σ = 2641535820. Its totient is φ = 662118400.

The previous prime is 1325091953. The next prime is 1325092003. The reversal of 1325091968 is 8691905231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1312757824 + 12334144 = 36232^2 + 3512^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1325091968² = 3511737447316226048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310328 + ... + 314568.

Almost surely, 2^1325091968 is an apocalyptic number.

It is an amenable number.

1325091968 is a deficient number, since it is larger than the sum of its proper divisors (1316443852).

1325091968 is an equidigital number, since it uses as much as digits as its factorization.

1325091968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696 (or 6684 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1325091968 is about 36401.8127021169. The cubic root of 1325091968 is about 1098.3700288902.

The spelling of 1325091968 in words is "one billion, three hundred twenty-five million, ninety-one thousand, nine hundred sixty-eight".