1316004136 has 32 divisors (see below), whose sum is σ = 2668256640. Its totient is φ = 606116608.

The previous prime is 1316004127. The next prime is 1316004139. The reversal of 1316004136 is 6314006131.

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 1316004136.

It is not an unprimeable number, because it can be changed into a prime (1316004139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96550 + ... + 109333.

It is an arithmetic number, because the mean of its divisors is an integer number (83383020).

Almost surely, 2^1316004136 is an apocalyptic number.

It is an amenable number.

1316004136 is an abundant number, since it is smaller than the sum of its proper divisors (1352252504).

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

1316004136 is a wasteful number, since it uses less digits than its factorization.

1316004136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205953 (or 205949 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1316004136 is about 36276.7713006546. The cubic root of 1316004136 is about 1095.8532956710.

The spelling of 1316004136 in words is "one billion, three hundred sixteen million, four thousand, one hundred thirty-six".