117635290 has 8 divisors (see below), whose sum is σ = 211743540. Its totient is φ = 47054112.

The previous prime is 117635279. The next prime is 117635293. The reversal of 117635290 is 92536711.

It can be written as a sum of positive squares in 2 ways, for example, as 109056249 + 8579041 = 10443^2 + 2929^2 .

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

It is a super-2 number, since 2×117635290² = 27676122906768200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117635293) 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, 5881755 + ... + 5881774.

Almost surely, 2^117635290 is an apocalyptic number.

117635290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117635290 is a deficient number, since it is larger than the sum of its proper divisors (94108250).

117635290 is a wasteful number, since it uses less digits than its factorization.

117635290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11763536.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 117635290 is about 10845.9803614058. The cubic root of 117635290 is about 489.9809655247.

The spelling of 117635290 in words is "one hundred seventeen million, six hundred thirty-five thousand, two hundred ninety".