1316047746 has 96 divisors (see below), whose sum is σ = 2983958208. Its totient is φ = 384359040.

The previous prime is 1316047727. The next prime is 1316047757. The reversal of 1316047746 is 6477406131.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10046101 + ... + 10046231.

It is an arithmetic number, because the mean of its divisors is an integer number (31082898).

Almost surely, 2^1316047746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316047746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491979104).

1316047746 is an abundant number, since it is smaller than the sum of its proper divisors (1667910462).

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

1316047746 is a wasteful number, since it uses less digits than its factorization.

1316047746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1316047746 is about 36277.3723690126. The cubic root of 1316047746 is about 1095.8654004036.

It can be divided in two parts, 13160 and 47746, that added together give a palindrome (60906).

The spelling of 1316047746 in words is "one billion, three hundred sixteen million, forty-seven thousand, seven hundred forty-six".