1315474647 has 8 divisors (see below), whose sum is σ = 1762279680. Its totient is φ = 872826360.

The previous prime is 1315474607. The next prime is 1315474649. The reversal of 1315474647 is 7464745131.

1315474647 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1315474647 - 2²⁷ = 1181256919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315474599 and 1315474608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315474649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038447 + ... + 1039712.

It is an arithmetic number, because the mean of its divisors is an integer number (220284960).

Almost surely, 2^1315474647 is an apocalyptic number.

1315474647 is a deficient number, since it is larger than the sum of its proper divisors (446805033).

1315474647 is a wasteful number, since it uses less digits than its factorization.

1315474647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078373.

The product of its digits is 282240, while the sum is 42.

The square root of 1315474647 is about 36269.4726595246. The cubic root of 1315474647 is about 1095.7063052256.

The spelling of 1315474647 in words is "one billion, three hundred fifteen million, four hundred seventy-four thousand, six hundred forty-seven".