1316890938 has 16 divisors (see below), whose sum is σ = 2873216736. Its totient is φ = 399057840.

The previous prime is 1316890937. The next prime is 1316890951. The reversal of 1316890938 is 8390986131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1316890937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9976381 + ... + 9976512.

It is an arithmetic number, because the mean of its divisors is an integer number (179576046).

Almost surely, 2^1316890938 is an apocalyptic number.

1316890938 is an abundant number, since it is smaller than the sum of its proper divisors (1556325798).

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

1316890938 is a wasteful number, since it uses less digits than its factorization.

1316890938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19952909.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 1316890938 is about 36288.9919672619. The cubic root of 1316890938 is about 1096.0993908169.

The spelling of 1316890938 in words is "one billion, three hundred sixteen million, eight hundred ninety thousand, nine hundred thirty-eight".