1325336144 has 20 divisors (see below), whose sum is σ = 2801279040. Its totient is φ = 602425440.

The previous prime is 1325336143. The next prime is 1325336161. The reversal of 1325336144 is 4416335231.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1325336144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325336143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3764984 + ... + 3765335.

It is an arithmetic number, because the mean of its divisors is an integer number (140063952).

Almost surely, 2^1325336144 is an apocalyptic number.

It is an amenable number.

1325336144 is an abundant number, since it is smaller than the sum of its proper divisors (1475942896).

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

1325336144 is a wasteful number, since it uses less digits than its factorization.

1325336144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530338 (or 7530332 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 1325336144 is about 36405.1664465361. The cubic root of 1325336144 is about 1098.4374906550.

The spelling of 1325336144 in words is "one billion, three hundred twenty-five million, three hundred thirty-six thousand, one hundred forty-four".