133102863 has 12 divisors (see below), whose sum is σ = 200619120. Its totient is φ = 84877056.

The previous prime is 133102861. The next prime is 133102889. The reversal of 133102863 is 368201331.

It is a happy number.

It is not a de Polignac number, because 133102863 - 2¹ = 133102861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133102861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 321298 + ... + 321711.

It is an arithmetic number, because the mean of its divisors is an integer number (16718260).

Almost surely, 2^133102863 is an apocalyptic number.

133102863 is a deficient number, since it is larger than the sum of its proper divisors (67516257).

133102863 is a wasteful number, since it uses less digits than its factorization.

133102863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643038 (or 643035 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 133102863 is about 11537.0214093587. The cubic root of 133102863 is about 510.5784325166.

The spelling of 133102863 in words is "one hundred thirty-three million, one hundred two thousand, eight hundred sixty-three".