1315965738 has 8 divisors (see below), whose sum is σ = 2631931488. Its totient is φ = 438655244.

The previous prime is 1315965709. The next prime is 1315965751. The reversal of 1315965738 is 8375695131.

It is a sphenic number, since it is the product of 3 distinct primes.

1315965738 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 109663806 + ... + 109663817.

It is an arithmetic number, because the mean of its divisors is an integer number (328991436).

Almost surely, 2^1315965738 is an apocalyptic number.

1315965738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1315965738 is a wasteful number, since it uses less digits than its factorization.

1315965738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219327628.

The product of its digits is 680400, while the sum is 48.

The square root of 1315965738 is about 36276.2420600591. The cubic root of 1315965738 is about 1095.8426374005.

The spelling of 1315965738 in words is "one billion, three hundred fifteen million, nine hundred sixty-five thousand, seven hundred thirty-eight".