1325842340 has 24 divisors (see below), whose sum is σ = 2791229112. Its totient is φ = 529011200.

The previous prime is 1325842339. The next prime is 1325842367. The reversal of 1325842340 is 432485231.

It can be written as a sum of positive squares in 4 ways, for example, as 99161764 + 1226680576 = 9958^2 + 35024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1325842297 and 1325842306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74639 + ... + 90678.

It is an arithmetic number, because the mean of its divisors is an integer number (116301213).

Almost surely, 2^1325842340 is an apocalyptic number.

1325842340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325842340 is an abundant number, since it is smaller than the sum of its proper divisors (1465386772).

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

1325842340 is a wasteful number, since it uses less digits than its factorization.

1325842340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165727 (or 165725 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1325842340 is about 36412.1180378181. The cubic root of 1325842340 is about 1098.5773177956.

The spelling of 1325842340 in words is "one billion, three hundred twenty-five million, eight hundred forty-two thousand, three hundred forty".