1315549488 has 80 divisors (see below), whose sum is σ = 3925570176. Its totient is φ = 375198720.

The previous prime is 1315549481. The next prime is 1315549537. The reversal of 1315549488 is 8849455131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1315549481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64306 + ... + 82257.

Almost surely, 2^1315549488 is an apocalyptic number.

It is an amenable number.

1315549488 is an abundant number, since it is smaller than the sum of its proper divisors (2610020688).

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

1315549488 is a wasteful number, since it uses less digits than its factorization.

1315549488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146602 (or 146596 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 1315549488 is about 36270.5043802812. The cubic root of 1315549488 is about 1095.7270840881.

The spelling of 1315549488 in words is "one billion, three hundred fifteen million, five hundred forty-nine thousand, four hundred eighty-eight".