117137645 has 8 divisors (see below), whose sum is σ = 142344960. Its totient is φ = 92523600.

The previous prime is 117137627. The next prime is 117137653. The reversal of 117137645 is 546731711.

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

It is not a de Polignac number, because 117137645 - 2⁸ = 117137389 is a prime.

It is a super-3 number, since 3×117137645³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147881 + ... + 148670.

It is an arithmetic number, because the mean of its divisors is an integer number (17793120).

Almost surely, 2^117137645 is an apocalyptic number.

It is an amenable number.

117137645 is a deficient number, since it is larger than the sum of its proper divisors (25207315).

117137645 is an equidigital number, since it uses as much as digits as its factorization.

117137645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296635.

The product of its digits is 17640, while the sum is 35.

The square root of 117137645 is about 10823.0145985303. The cubic root of 117137645 is about 489.2890494890.

The spelling of 117137645 in words is "one hundred seventeen million, one hundred thirty-seven thousand, six hundred forty-five".