135849663 has 8 divisors (see below), whose sum is σ = 201258800. Its totient is φ = 90566424.

The previous prime is 135849647. The next prime is 135849667. The reversal of 135849663 is 366948531.

135849663 is a `hidden beast` number, since 1 + 3 + 584 + 9 + 6 + 63 = 666.

It is not a de Polignac number, because 135849663 - 2⁴ = 135849647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135849667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515708 + ... + 2515761.

It is an arithmetic number, because the mean of its divisors is an integer number (25157350).

Almost surely, 2^135849663 is an apocalyptic number.

135849663 is a deficient number, since it is larger than the sum of its proper divisors (65409137).

135849663 is an equidigital number, since it uses as much as digits as its factorization.

135849663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031478 (or 5031472 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 135849663 is about 11655.4563617217. The cubic root of 135849663 is about 514.0667586785.

The spelling of 135849663 in words is "one hundred thirty-five million, eight hundred forty-nine thousand, six hundred sixty-three".