114991605 has 24 divisors (see below), whose sum is σ = 207986688. Its totient is φ = 58661856.

The previous prime is 114991579. The next prime is 114991619. The reversal of 114991605 is 506199411.

114991605 is a `hidden beast` number, since 1 + 1 + 49 + 9 + 1 + 605 = 666.

It is not a de Polignac number, because 114991605 - 2¹³ = 114983413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 114991605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54517 + ... + 56586.

It is an arithmetic number, because the mean of its divisors is an integer number (8666112).

Almost surely, 2^114991605 is an apocalyptic number.

114991605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

114991605 is a deficient number, since it is larger than the sum of its proper divisors (92995083).

114991605 is a wasteful number, since it uses less digits than its factorization.

114991605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111137 (or 111134 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 114991605 is about 10723.4138687267. The cubic root of 114991605 is about 486.2825796574.

The spelling of 114991605 in words is "one hundred fourteen million, nine hundred ninety-one thousand, six hundred five".