1315294927 has 4 divisors (see below), whose sum is σ = 1315411216. Its totient is φ = 1315178640.

The previous prime is 1315294919. The next prime is 1315294933. The reversal of 1315294927 is 7294925131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1315294927 - 2³ = 1315294919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315294027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39099 + ... + 64492.

It is an arithmetic number, because the mean of its divisors is an integer number (328852804).

Almost surely, 2^1315294927 is an apocalyptic number.

1315294927 is a deficient number, since it is larger than the sum of its proper divisors (116289).

1315294927 is a wasteful number, since it uses less digits than its factorization.

1315294927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116288.

The product of its digits is 136080, while the sum is 43.

The square root of 1315294927 is about 36266.9950092367. The cubic root of 1315294927 is about 1095.6564045285.

The spelling of 1315294927 in words is "one billion, three hundred fifteen million, two hundred ninety-four thousand, nine hundred twenty-seven".