117945319 has 2 divisors, whose sum is σ = 117945320. Its totient is φ = 117945318.

The previous prime is 117945313. The next prime is 117945343. The reversal of 117945319 is 913549711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117945319 - 2⁵ = 117945287 is a prime.

It is a super-2 number, since 2×117945319² = 27822196548023522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117945313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58972659 + 58972660.

It is an arithmetic number, because the mean of its divisors is an integer number (58972660).

Almost surely, 2^117945319 is an apocalyptic number.

117945319 is a deficient number, since it is larger than the sum of its proper divisors (1).

117945319 is an equidigital number, since it uses as much as digits as its factorization.

117945319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 40.

The square root of 117945319 is about 10860.2633025171. The cubic root of 117945319 is about 490.4110378605.

The spelling of 117945319 in words is "one hundred seventeen million, nine hundred forty-five thousand, three hundred nineteen".