1306444316 has 24 divisors (see below), whose sum is σ = 2405214000. Its totient is φ = 620004224.

The previous prime is 1306444303. The next prime is 1306444331. The reversal of 1306444316 is 6134446031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88601 + ... + 102288.

It is an arithmetic number, because the mean of its divisors is an integer number (100217250).

Almost surely, 2^1306444316 is an apocalyptic number.

It is an amenable number.

1306444316 is a deficient number, since it is larger than the sum of its proper divisors (1098769684).

1306444316 is a wasteful number, since it uses less digits than its factorization.

1306444316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190981 (or 190979 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1306444316 is about 36144.7688607909. The cubic root of 1306444316 is about 1093.1933166010.

It can be divided in two parts, 130 and 6444316, that added together give a palindrome (6444446).

The spelling of 1306444316 in words is "one billion, three hundred six million, four hundred forty-four thousand, three hundred sixteen".