1371563113 has 2 divisors, whose sum is σ = 1371563114. Its totient is φ = 1371563112.

The previous prime is 1371563099. The next prime is 1371563153. The reversal of 1371563113 is 3113651731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228712809 + 142850304 = 35053^2 + 11952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371563113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371563153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685781556 + 685781557.

It is an arithmetic number, because the mean of its divisors is an integer number (685781557).

Almost surely, 2^1371563113 is an apocalyptic number.

It is an amenable number.

1371563113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371563113 is an equidigital number, since it uses as much as digits as its factorization.

1371563113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 31.

The square root of 1371563113 is about 37034.6204651810. The cubic root of 1371563113 is about 1111.0627791484.

The spelling of 1371563113 in words is "one billion, three hundred seventy-one million, five hundred sixty-three thousand, one hundred thirteen".