117136625 has 16 divisors (see below), whose sum is σ = 148953168. Its totient is φ = 91936000.

The previous prime is 117136619. The next prime is 117136627. The reversal of 117136625 is 526631711.

It can be written as a sum of positive squares in 8 ways, for example, as 38353249 + 78783376 = 6193^2 + 8876^2 .

It is not a de Polignac number, because 117136625 - 2⁴ = 117136609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117136591 and 117136600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117136627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216 + ... + 15465.

It is an arithmetic number, because the mean of its divisors is an integer number (9309573).

Almost surely, 2^117136625 is an apocalyptic number.

It is an amenable number.

117136625 is a deficient number, since it is larger than the sum of its proper divisors (31816543).

117136625 is an equidigital number, since it uses as much as digits as its factorization.

117136625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17749 (or 17739 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 117136625 is about 10822.9674766212. The cubic root of 117136625 is about 489.2876292901.

The spelling of 117136625 in words is "one hundred seventeen million, one hundred thirty-six thousand, six hundred twenty-five".