1325133140 has 24 divisors (see below), whose sum is σ = 2787017352. Its totient is φ = 529246080.

The previous prime is 1325133091. The next prime is 1325133179. The reversal of 1325133140 is 413315231.

It can be written as a sum of positive squares in 4 ways, for example, as 69989956 + 1255143184 = 8366^2 + 35428^2 .

It is a congruent number.

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, 36899 + ... + 63338.

It is an arithmetic number, because the mean of its divisors is an integer number (116125723).

Almost surely, 2^1325133140 is an apocalyptic number.

1325133140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325133140 is an abundant number, since it is smaller than the sum of its proper divisors (1461884212).

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

1325133140 is a wasteful number, since it uses less digits than its factorization.

1325133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100907 (or 100905 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1325133140 is about 36402.3782190120. The cubic root of 1325133140 is about 1098.3814046094.

Adding to 1325133140 its reverse (413315231), we get a palindrome (1738448371).

The spelling of 1325133140 in words is "one billion, three hundred twenty-five million, one hundred thirty-three thousand, one hundred forty".