1315740133 has 4 divisors (see below), whose sum is σ = 1330523820. Its totient is φ = 1300956448.

The previous prime is 1315740119. The next prime is 1315740149. The reversal of 1315740133 is 3310475131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3310475131 = 269 ⋅12306599.

It can be written as a sum of positive squares in 2 ways, for example, as 255456289 + 1060283844 = 15983^2 + 32562^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315740133 - 2²⁵ = 1282185701 is a prime.

It is a super-3 number, since 3×1315740133³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315740103) 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 3 ways as a sum of consecutive naturals, for example, 7391710 + ... + 7391887.

It is an arithmetic number, because the mean of its divisors is an integer number (332630955).

Almost surely, 2^1315740133 is an apocalyptic number.

It is an amenable number.

1315740133 is a deficient number, since it is larger than the sum of its proper divisors (14783687).

1315740133 is an equidigital number, since it uses as much as digits as its factorization.

1315740133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783686.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1315740133 is about 36273.1323847280. The cubic root of 1315740133 is about 1095.7800112241.

The spelling of 1315740133 in words is "one billion, three hundred fifteen million, seven hundred forty thousand, one hundred thirty-three".