1113142913 has 2 divisors, whose sum is σ = 1113142914. Its totient is φ = 1113142912.

The previous prime is 1113142879. The next prime is 1113142957. The reversal of 1113142913 is 3192413111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997106929 + 116035984 = 31577^2 + 10772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113142913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113142993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556571456 + 556571457.

It is an arithmetic number, because the mean of its divisors is an integer number (556571457).

Almost surely, 2^1113142913 is an apocalyptic number.

It is an amenable number.

1113142913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113142913 is an equidigital number, since it uses as much as digits as its factorization.

1113142913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 1113142913 is about 33363.7964416521. The cubic root of 1113142913 is about 1036.3751123092.

The spelling of 1113142913 in words is "one billion, one hundred thirteen million, one hundred forty-two thousand, nine hundred thirteen".