1315265845 has 8 divisors (see below), whose sum is σ = 1579810176. Its totient is φ = 1051218576.

The previous prime is 1315265839. The next prime is 1315265849. The reversal of 1315265845 is 5485625131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1315265845 - 2²⁷ = 1181048117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315265798 and 1315265807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315265849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118417 + ... + 129046.

It is an arithmetic number, because the mean of its divisors is an integer number (197476272).

Almost surely, 2^1315265845 is an apocalyptic number.

It is an amenable number.

1315265845 is a deficient number, since it is larger than the sum of its proper divisors (264544331).

1315265845 is a wasteful number, since it uses less digits than its factorization.

1315265845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248531.

The product of its digits is 144000, while the sum is 40.

The square root of 1315265845 is about 36266.5940639592. The cubic root of 1315265845 is about 1095.6483292511.

The spelling of 1315265845 in words is "one billion, three hundred fifteen million, two hundred sixty-five thousand, eight hundred forty-five".