1325255140 has 96 divisors (see below), whose sum is σ = 3101535360. Its totient is φ = 471628800.

The previous prime is 1325255119. The next prime is 1325255171. The reversal of 1325255140 is 415525231.

It is a junction number, because it is equal to n+sod(n) for n = 1325255099 and 1325255108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2874510 + ... + 2874970.

It is an arithmetic number, because the mean of its divisors is an integer number (32307660).

Almost surely, 2^1325255140 is an apocalyptic number.

1325255140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325255140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550767680).

1325255140 is an abundant number, since it is smaller than the sum of its proper divisors (1776280220).

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

1325255140 is a wasteful number, since it uses less digits than its factorization.

1325255140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1325255140 is about 36404.0538951365. The cubic root of 1325255140 is about 1098.4151115165.

The spelling of 1325255140 in words is "one billion, three hundred twenty-five million, two hundred fifty-five thousand, one hundred forty".