117137266 has 4 divisors (see below), whose sum is σ = 175705902. Its totient is φ = 58568632.

The previous prime is 117137249. The next prime is 117137281. The reversal of 117137266 is 662731711.

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

It can be written as a sum of positive squares in only one way, i.e., 62805625 + 54331641 = 7925^2 + 7371^2 .

It is a super-2 number, since 2×117137266² = 27442278171909512, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29284315 + ... + 29284318.

Almost surely, 2^117137266 is an apocalyptic number.

117137266 is a deficient number, since it is larger than the sum of its proper divisors (58568636).

117137266 is an equidigital number, since it uses as much as digits as its factorization.

117137266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58568635.

The product of its digits is 10584, while the sum is 34.

The square root of 117137266 is about 10822.9970895312. The cubic root of 117137266 is about 489.2885217886.

Adding to 117137266 its reverse (662731711), we get a palindrome (779868977).

The spelling of 117137266 in words is "one hundred seventeen million, one hundred thirty-seven thousand, two hundred sixty-six".