117413381 has 4 divisors (see below), whose sum is σ = 120277164. Its totient is φ = 114549600.

The previous prime is 117413357. The next prime is 117413411. The reversal of 117413381 is 183314711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20784481 + 96628900 = 4559^2 + 9830^2 .

It is a cyclic number.

It is not a de Polignac number, because 117413381 - 2¹⁰ = 117412357 is a prime.

It is a super-2 number, since 2×117413381² = 27571804075702322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117413311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431830 + ... + 1431911.

It is an arithmetic number, because the mean of its divisors is an integer number (30069291).

Almost surely, 2^117413381 is an apocalyptic number.

It is an amenable number.

117413381 is a deficient number, since it is larger than the sum of its proper divisors (2863783).

117413381 is an equidigital number, since it uses as much as digits as its factorization.

117413381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863782.

The product of its digits is 2016, while the sum is 29.

The square root of 117413381 is about 10835.7455211905. The cubic root of 117413381 is about 489.6726690700.

The spelling of 117413381 in words is "one hundred seventeen million, four hundred thirteen thousand, three hundred eighty-one".