1315676279 has 2 divisors, whose sum is σ = 1315676280. Its totient is φ = 1315676278.

The previous prime is 1315676251. The next prime is 1315676287. The reversal of 1315676279 is 9726765131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315676279 - 2⁸ = 1315676023 is a prime.

It is a super-2 number, since 2×1315676279² = 3462008142246571682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315676209) 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 as a sum of consecutive naturals, namely, 657838139 + 657838140.

It is an arithmetic number, because the mean of its divisors is an integer number (657838140).

Almost surely, 2^1315676279 is an apocalyptic number.

1315676279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315676279 is an equidigital number, since it uses as much as digits as its factorization.

1315676279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 1315676279 is about 36272.2521908966. The cubic root of 1315676279 is about 1095.7622845553.

The spelling of 1315676279 in words is "one billion, three hundred fifteen million, six hundred seventy-six thousand, two hundred seventy-nine".