1317490544 has 20 divisors (see below), whose sum is σ = 2560855440. Its totient is φ = 656624640.

The previous prime is 1317490543. The next prime is 1317490583. The reversal of 1317490544 is 4450947131.

It is a junction number, because it is equal to n+sod(n) for n = 1317490498 and 1317490507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317490543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127409 + ... + 137360.

It is an arithmetic number, because the mean of its divisors is an integer number (128042772).

Almost surely, 2^1317490544 is an apocalyptic number.

It is an amenable number.

1317490544 is a deficient number, since it is larger than the sum of its proper divisors (1243364896).

1317490544 is a wasteful number, since it uses less digits than its factorization.

1317490544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265088 (or 265082 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1317490544 is about 36297.2525682041. The cubic root of 1317490544 is about 1096.2657240158.

The spelling of 1317490544 in words is "one billion, three hundred seventeen million, four hundred ninety thousand, five hundred forty-four".