1295345688 has 128 divisors (see below), whose sum is σ = 4000389120. Its totient is φ = 340369920.

The previous prime is 1295345659. The next prime is 1295345707. The reversal of 1295345688 is 8865435921.

It is a self number, because there is not a number n which added to its sum of digits gives 1295345688.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 691393 + ... + 693263.

It is an arithmetic number, because the mean of its divisors is an integer number (31253040).

Almost surely, 2^1295345688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1295345688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2000194560).

1295345688 is an abundant number, since it is smaller than the sum of its proper divisors (2705043432).

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

1295345688 is a wasteful number, since it uses less digits than its factorization.

1295345688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217 (or 2213 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 1295345688 is about 35990.9111860203. The cubic root of 1295345688 is about 1090.0888427431.

The spelling of 1295345688 in words is "one billion, two hundred ninety-five million, three hundred forty-five thousand, six hundred eighty-eight".