117882139 has 2 divisors, whose sum is σ = 117882140. Its totient is φ = 117882138.

The previous prime is 117882109. The next prime is 117882143. The reversal of 117882139 is 931288711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117882139 - 2⁹ = 117881627 is a prime.

It is equal to p_6727873 and since 117882139 and 6727873 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 (117882109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58941069 + 58941070.

It is an arithmetic number, because the mean of its divisors is an integer number (58941070).

Almost surely, 2^117882139 is an apocalyptic number.

117882139 is a deficient number, since it is larger than the sum of its proper divisors (1).

117882139 is an equidigital number, since it uses as much as digits as its factorization.

117882139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 40.

The square root of 117882139 is about 10857.3541436208. The cubic root of 117882139 is about 490.3234557399.

The spelling of 117882139 in words is "one hundred seventeen million, eight hundred eighty-two thousand, one hundred thirty-nine".