100427133 has 8 divisors (see below), whose sum is σ = 133977888. Its totient is φ = 66913904.

The previous prime is 100427123. The next prime is 100427147. The reversal of 100427133 is 331724001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100427133 - 2⁵ = 100427101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100427113) 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, 2391 + ... + 14372.

It is an arithmetic number, because the mean of its divisors is an integer number (16747236).

Almost surely, 2^100427133 is an apocalyptic number.

It is an amenable number.

100427133 is a deficient number, since it is larger than the sum of its proper divisors (33550755).

100427133 is a wasteful number, since it uses less digits than its factorization.

100427133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 100427133 is about 10021.3338932499. Note that the first 3 decimals coincide. The cubic root of 100427133 is about 464.8188032604.

The spelling of 100427133 in words is "one hundred million, four hundred twenty-seven thousand, one hundred thirty-three".