1325991674 has 8 divisors (see below), whose sum is σ = 2273128608. Its totient is φ = 568282140.

The previous prime is 1325991661. The next prime is 1325991697. The reversal of 1325991674 is 4761995231.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 47356832 + ... + 47356859.

It is an arithmetic number, because the mean of its divisors is an integer number (284141076).

Almost surely, 2^1325991674 is an apocalyptic number.

1325991674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1325991674 is a deficient number, since it is larger than the sum of its proper divisors (947136934).

1325991674 is an equidigital number, since it uses as much as digits as its factorization.

1325991674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94713700.

The product of its digits is 408240, while the sum is 47.

The square root of 1325991674 is about 36414.1685886140. The cubic root of 1325991674 is about 1098.6185617106.

The spelling of 1325991674 in words is "one billion, three hundred twenty-five million, nine hundred ninety-one thousand, six hundred seventy-four".