1315284528 has 20 divisors (see below), whose sum is σ = 3397818488. Its totient is φ = 438428160.

The previous prime is 1315284521. The next prime is 1315284539. The reversal of 1315284528 is 8254825131.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1315284521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13700833 + ... + 13700928.

Almost surely, 2^1315284528 is an apocalyptic number.

It is an amenable number.

1315284528 is an abundant number, since it is smaller than the sum of its proper divisors (2082533960).

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

1315284528 is a wasteful number, since it uses less digits than its factorization.

1315284528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27401772 (or 27401766 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 1315284528 is about 36266.8516416851. The cubic root of 1315284528 is about 1095.6535170238.

The spelling of 1315284528 in words is "one billion, three hundred fifteen million, two hundred eighty-four thousand, five hundred twenty-eight".