1310004394 has 16 divisors (see below), whose sum is σ = 2081392200. Its totient is φ = 616236544.

The previous prime is 1310004379. The next prime is 1310004403. The reversal of 1310004394 is 4934000131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1296936169 + 13068225 = 36013^2 + 3615^2 .

It is a super-2 number, since 2×1310004394² = 3432223024598614472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109542 + ... + 120910.

Almost surely, 2^1310004394 is an apocalyptic number.

1310004394 is a deficient number, since it is larger than the sum of its proper divisors (771387806).

1310004394 is a wasteful number, since it uses less digits than its factorization.

1310004394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14777.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1310004394 is about 36193.9828424560. The cubic root of 1310004394 is about 1094.1854047325.

The spelling of 1310004394 in words is "one billion, three hundred ten million, four thousand, three hundred ninety-four".