117135765 has 24 divisors (see below), whose sum is σ = 206071008. Its totient is φ = 61538400.

The previous prime is 117135761. The next prime is 117135769. The reversal of 117135765 is 567531711.

117135765 is a `hidden beast` number, since 11 + 71 + 3 + 576 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (117135761) and next prime (117135769).

It is not a de Polignac number, because 117135765 - 2² = 117135761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117135761) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 16411 + ... + 22440.

It is an arithmetic number, because the mean of its divisors is an integer number (8586292).

Almost surely, 2^117135765 is an apocalyptic number.

117135765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117135765 is a deficient number, since it is larger than the sum of its proper divisors (88935243).

117135765 is a wasteful number, since it uses less digits than its factorization.

117135765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38929 (or 38926 counting only the distinct ones).

The product of its digits is 22050, while the sum is 36.

The square root of 117135765 is about 10822.9277462247. The cubic root of 117135765 is about 489.2864318610.

The spelling of 117135765 in words is "one hundred seventeen million, one hundred thirty-five thousand, seven hundred sixty-five".