1315747469 has 8 divisors (see below), whose sum is σ = 1345759488. Its totient is φ = 1285819600.

The previous prime is 1315747403. The next prime is 1315747493. The reversal of 1315747469 is 9647475131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315747469 is a prime.

It is a super-2 number, since 2×1315747469² = 3462382804359811922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315749469) 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 7 ways as a sum of consecutive naturals, for example, 11144 + ... + 52494.

It is an arithmetic number, because the mean of its divisors is an integer number (168219936).

Almost surely, 2^1315747469 is an apocalyptic number.

It is an amenable number.

1315747469 is a deficient number, since it is larger than the sum of its proper divisors (30012019).

1315747469 is an equidigital number, since it uses as much as digits as its factorization.

1315747469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42075.

The product of its digits is 635040, while the sum is 47.

The square root of 1315747469 is about 36273.2335062646. The cubic root of 1315747469 is about 1095.7820477527.

The spelling of 1315747469 in words is "one billion, three hundred fifteen million, seven hundred forty-seven thousand, four hundred sixty-nine".