1316789910 has 48 divisors (see below), whose sum is σ = 3625049376. Its totient is φ = 330488064.

The previous prime is 1316789909. The next prime is 1316789939. The reversal of 1316789910 is 199876131.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428794 + ... + 431853.

It is an arithmetic number, because the mean of its divisors is an integer number (75521862).

Almost surely, 2^1316789910 is an apocalyptic number.

1316789910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1316789910 is an abundant number, since it is smaller than the sum of its proper divisors (2308259466).

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

1316789910 is a wasteful number, since it uses less digits than its factorization.

1316789910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860677 (or 860674 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 1316789910 is about 36287.5999481917. The cubic root of 1316789910 is about 1096.0713602594.

The spelling of 1316789910 in words is "one billion, three hundred sixteen million, seven hundred eighty-nine thousand, nine hundred ten".