1316514729 has 4 divisors (see below), whose sum is σ = 1755352976. Its totient is φ = 877676484.

The previous prime is 1316514707. The next prime is 1316514751. The reversal of 1316514729 is 9274156131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9274156131 = 3 ⋅3091385377.

It is an interprime number because it is at equal distance from previous prime (1316514707) and next prime (1316514751).

It is not a de Polignac number, because 1316514729 - 2⁸ = 1316514473 is a prime.

It is a super-2 number, since 2×1316514729² = 3466422063347886882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1316514029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219419119 + ... + 219419124.

It is an arithmetic number, because the mean of its divisors is an integer number (438838244).

Almost surely, 2^1316514729 is an apocalyptic number.

It is an amenable number.

1316514729 is a deficient number, since it is larger than the sum of its proper divisors (438838247).

1316514729 is an equidigital number, since it uses as much as digits as its factorization.

1316514729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438838246.

The product of its digits is 45360, while the sum is 39.

The square root of 1316514729 is about 36283.8080829452. The cubic root of 1316514729 is about 1095.9950030963.

The spelling of 1316514729 in words is "one billion, three hundred sixteen million, five hundred fourteen thousand, seven hundred twenty-nine".