1315021464 has 48 divisors (see below), whose sum is σ = 3748968600. Its totient is φ = 415269504.

The previous prime is 1315021447. The next prime is 1315021471. The reversal of 1315021464 is 4641205131.

It is a happy number.

1315021464 is a `hidden beast` number, since 13 + 1 + 502 + 146 + 4 = 666.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 479269 + ... + 482004.

Almost surely, 2^1315021464 is an apocalyptic number.

It is an amenable number.

1315021464 is an abundant number, since it is smaller than the sum of its proper divisors (2433947136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315021464 is a wasteful number, since it uses less digits than its factorization.

1315021464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961304 (or 961297 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1315021464 is about 36263.2246773505. The cubic root of 1315021464 is about 1095.5804666157.

Adding to 1315021464 its reverse (4641205131), we get a palindrome (5956226595).

The spelling of 1315021464 in words is "one billion, three hundred fifteen million, twenty-one thousand, four hundred sixty-four".