133300863 has 16 divisors (see below), whose sum is σ = 198929760. Its totient is φ = 88216128.

The previous prime is 133300831. The next prime is 133300873. The reversal of 133300863 is 368003331.

133300863 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 133300863 - 2⁵ = 133300831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300813) 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, 14320 + ... + 21717.

It is an arithmetic number, because the mean of its divisors is an integer number (12433110).

Almost surely, 2^133300863 is an apocalyptic number.

133300863 is a deficient number, since it is larger than the sum of its proper divisors (65628897).

133300863 is a wasteful number, since it uses less digits than its factorization.

133300863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36183 (or 36177 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 133300863 is about 11545.5992915050. The cubic root of 133300863 is about 510.8314810243.

The spelling of 133300863 in words is "one hundred thirty-three million, three hundred thousand, eight hundred sixty-three".