1315402374 has 144 divisors (see below), whose sum is σ = 3196392192. Its totient is φ = 360360000.

The previous prime is 1315402369. The next prime is 1315402399. The reversal of 1315402374 is 4732045131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8711199 + ... + 8711349.

It is an arithmetic number, because the mean of its divisors is an integer number (22197168).

Almost surely, 2^1315402374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315402374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598196096).

1315402374 is an abundant number, since it is smaller than the sum of its proper divisors (1880989818).

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

1315402374 is a wasteful number, since it uses less digits than its factorization.

1315402374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1315402374 is about 36268.4763120813. The cubic root of 1315402374 is about 1095.6862385948.

The spelling of 1315402374 in words is "one billion, three hundred fifteen million, four hundred two thousand, three hundred seventy-four".