1325845734 has 16 divisors (see below), whose sum is σ = 2652825600. Its totient is φ = 441759560.

The previous prime is 1325845733. The next prime is 1325845757. The reversal of 1325845734 is 4375485231.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325845733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31662 + ... + 60449.

It is an arithmetic number, because the mean of its divisors is an integer number (165801600).

Almost surely, 2^1325845734 is an apocalyptic number.

1325845734 is an abundant number, since it is smaller than the sum of its proper divisors (1326979866).

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

1325845734 is a wasteful number, since it uses less digits than its factorization.

1325845734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94515.

The product of its digits is 403200, while the sum is 42.

The square root of 1325845734 is about 36412.1646431519. The cubic root of 1325845734 is about 1098.5782552043.

The spelling of 1325845734 in words is "one billion, three hundred twenty-five million, eight hundred forty-five thousand, seven hundred thirty-four".