2113423139 has 2 divisors, whose sum is σ = 2113423140. Its totient is φ = 2113423138.

The previous prime is 2113423121. The next prime is 2113423157. The reversal of 2113423139 is 9313243112.

It is a balanced prime because it is at equal distance from previous prime (2113423121) and next prime (2113423157).

It is a cyclic number.

It is not a de Polignac number, because 2113423139 - 2²⁴ = 2096645923 is a prime.

It is a super-2 number, since 2×2113423139² = 8933114728921226642, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2113423339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056711569 + 1056711570.

It is an arithmetic number, because the mean of its divisors is an integer number (1056711570).

Almost surely, 2^2113423139 is an apocalyptic number.

2113423139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113423139 is an equidigital number, since it uses as much as digits as its factorization.

2113423139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 29.

The square root of 2113423139 is about 45971.9821086714. The cubic root of 2113423139 is about 1283.3018470414.

The spelling of 2113423139 in words is "two billion, one hundred thirteen million, four hundred twenty-three thousand, one hundred thirty-nine".