117371813 has 8 divisors (see below), whose sum is σ = 126970368. Its totient is φ = 107854704.

The previous prime is 117371789. The next prime is 117371851. The reversal of 117371813 is 318173711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117371813 - 2¹² = 117367717 is a prime.

It is a super-2 number, since 2×117371813² = 27552284973813938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117371813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117371713) 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 7 ways as a sum of consecutive naturals, for example, 17345 + ... + 23142.

It is an arithmetic number, because the mean of its divisors is an integer number (15871296).

Almost surely, 2^117371813 is an apocalyptic number.

117371813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117371813 is a deficient number, since it is larger than the sum of its proper divisors (9598555).

117371813 is a wasteful number, since it uses less digits than its factorization.

117371813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40723.

The product of its digits is 3528, while the sum is 32.

The square root of 117371813 is about 10833.8272554070. The cubic root of 117371813 is about 489.6148757820.

The spelling of 117371813 in words is "one hundred seventeen million, three hundred seventy-one thousand, eight hundred thirteen".