105133939 has 2 divisors, whose sum is σ = 105133940. Its totient is φ = 105133938.

The previous prime is 105133891. The next prime is 105133979. The reversal of 105133939 is 939331501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105133939 is a prime.

It is a super-2 number, since 2×105133939² = 22106290259311442, which contains 22 as substring.

It is equal to p_6039970 and since 105133939 and 6039970 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (105133979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52566969 + 52566970.

It is an arithmetic number, because the mean of its divisors is an integer number (52566970).

Almost surely, 2^105133939 is an apocalyptic number.

105133939 is a deficient number, since it is larger than the sum of its proper divisors (1).

105133939 is an equidigital number, since it uses as much as digits as its factorization.

105133939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 34.

The square root of 105133939 is about 10253.4842370777. The cubic root of 105133939 is about 471.9699106429.

The spelling of 105133939 in words is "one hundred five million, one hundred thirty-three thousand, nine hundred thirty-nine".