117142319 has 4 divisors (see below), whose sum is σ = 133876944. Its totient is φ = 100407696.

The previous prime is 117142309. The next prime is 117142343. The reversal of 117142319 is 913241711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117142319 - 2⁴ = 117142303 is a prime.

It is a super-2 number, since 2×117142319² = 27444645801395522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117142291 and 117142300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117142309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8367302 + ... + 8367315.

It is an arithmetic number, because the mean of its divisors is an integer number (33469236).

Almost surely, 2^117142319 is an apocalyptic number.

117142319 is a deficient number, since it is larger than the sum of its proper divisors (16734625).

117142319 is an equidigital number, since it uses as much as digits as its factorization.

117142319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16734624.

The product of its digits is 1512, while the sum is 29.

The square root of 117142319 is about 10823.2305251251. The cubic root of 117142319 is about 489.2955572364.

The spelling of 117142319 in words is "one hundred seventeen million, one hundred forty-two thousand, three hundred nineteen".