1318147507 has 2 divisors, whose sum is σ = 1318147508. Its totient is φ = 1318147506.

The previous prime is 1318147483. The next prime is 1318147517. The reversal of 1318147507 is 7057418131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318147507 - 2¹⁵ = 1318114739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1318147517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659073753 + 659073754.

It is an arithmetic number, because the mean of its divisors is an integer number (659073754).

Almost surely, 2^1318147507 is an apocalyptic number.

1318147507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318147507 is an equidigital number, since it uses as much as digits as its factorization.

1318147507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 1318147507 is about 36306.3012024084. The cubic root of 1318147507 is about 1096.4479103562.

The spelling of 1318147507 in words is "one billion, three hundred eighteen million, one hundred forty-seven thousand, five hundred seven".