113813143 has 2 divisors, whose sum is σ = 113813144. Its totient is φ = 113813142.

The previous prime is 113813083. The next prime is 113813153. The reversal of 113813143 is 341318311.

It is a strong prime.

It is an emirp because it is prime and its reverse (341318311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113813143 - 2¹⁷ = 113682071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113813153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56906571 + 56906572.

It is an arithmetic number, because the mean of its divisors is an integer number (56906572).

Almost surely, 2^113813143 is an apocalyptic number.

113813143 is a deficient number, since it is larger than the sum of its proper divisors (1).

113813143 is an equidigital number, since it uses as much as digits as its factorization.

113813143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 113813143 is about 10668.3242826603. The cubic root of 113813143 is about 484.6156915910.

The spelling of 113813143 in words is "one hundred thirteen million, eight hundred thirteen thousand, one hundred forty-three".