1316135938 has 32 divisors (see below), whose sum is σ = 2198085120. Its totient is φ = 586932480.

The previous prime is 1316135927. The next prime is 1316135941. The reversal of 1316135938 is 8395316131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316135938.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014106 + ... + 1015402.

It is an arithmetic number, because the mean of its divisors is an integer number (68690160).

Almost surely, 2^1316135938 is an apocalyptic number.

1316135938 is a deficient number, since it is larger than the sum of its proper divisors (881949182).

1316135938 is a wasteful number, since it uses less digits than its factorization.

1316135938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602.

The product of its digits is 58320, while the sum is 40.

The square root of 1316135938 is about 36278.5878721871. The cubic root of 1316135938 is about 1095.8898788474.

The spelling of 1316135938 in words is "one billion, three hundred sixteen million, one hundred thirty-five thousand, nine hundred thirty-eight".