1315648506 has 16 divisors (see below), whose sum is σ = 2634895584. Its totient is φ = 437949744.

The previous prime is 1315648441. The next prime is 1315648573. The reversal of 1315648506 is 6058465131.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145176 + ... + 153971.

It is an arithmetic number, because the mean of its divisors is an integer number (164680974).

Almost surely, 2^1315648506 is an apocalyptic number.

1315648506 is an abundant number, since it is smaller than the sum of its proper divisors (1319247078).

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

1315648506 is a wasteful number, since it uses less digits than its factorization.

1315648506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299885.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1315648506 is about 36271.8693480223. The cubic root of 1315648506 is about 1095.7545742442.

The spelling of 1315648506 in words is "one billion, three hundred fifteen million, six hundred forty-eight thousand, five hundred six".