1325764138530 has 128 divisors (see below), whose sum is σ = 3470422475520. Its totient is φ = 322173250560.

The previous prime is 1325764138529. The next prime is 1325764138553. The reversal of 1325764138530 is 358314675231.

It is a self number, because there is not a number n which added to its sum of digits gives 1325764138530.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46242400 + ... + 46271060.

It is an arithmetic number, because the mean of its divisors is an integer number (27112675590).

Almost surely, 2^{1325764138530} is an apocalyptic number.

1325764138530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325764138530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735211237760).

1325764138530 is an abundant number, since it is smaller than the sum of its proper divisors (2144658336990).

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

1325764138530 is a wasteful number, since it uses less digits than its factorization.

1325764138530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30196.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 1325764138530 in words is "one trillion, three hundred twenty-five billion, seven hundred sixty-four million, one hundred thirty-eight thousand, five hundred thirty".