135355563 has 32 divisors (see below), whose sum is σ = 241241600. Its totient is φ = 73273248.

The previous prime is 135355531. The next prime is 135355567. The reversal of 135355563 is 365553531.

135355563 is a `hidden beast` number, since 13 + 535 + 55 + 63 = 666.

It is not a de Polignac number, because 135355563 - 2⁵ = 135355531 is a prime.

It is a super-2 number, since 2×135355563² = 36642256870093938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135355567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15256 + ... + 22437.

It is an arithmetic number, because the mean of its divisors is an integer number (7538800).

Almost surely, 2^135355563 is an apocalyptic number.

135355563 is a deficient number, since it is larger than the sum of its proper divisors (105886037).

135355563 is a wasteful number, since it uses less digits than its factorization.

135355563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37728 (or 37722 counting only the distinct ones).

The product of its digits is 101250, while the sum is 36.

The square root of 135355563 is about 11634.2409722336. The cubic root of 135355563 is about 513.4427626475.

The spelling of 135355563 in words is "one hundred thirty-five million, three hundred fifty-five thousand, five hundred sixty-three".