1315696734 has 24 divisors (see below), whose sum is σ = 3109829112. Its totient is φ = 398695920.

The previous prime is 1315696721. The next prime is 1315696763. The reversal of 1315696734 is 4376965131.

It is a happy number.

1315696734 is a `hidden beast` number, since 13 + 1 + 569 + 6 + 73 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1315696734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3322269 + ... + 3322664.

It is an arithmetic number, because the mean of its divisors is an integer number (129576213).

Almost surely, 2^1315696734 is an apocalyptic number.

1315696734 is an abundant number, since it is smaller than the sum of its proper divisors (1794132378).

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

1315696734 is a wasteful number, since it uses less digits than its factorization.

1315696734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6644952 (or 6644949 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1315696734 is about 36272.5341546465. The cubic root of 1315696734 is about 1095.7679631815.

The spelling of 1315696734 in words is "one billion, three hundred fifteen million, six hundred ninety-six thousand, seven hundred thirty-four".