133190051 has 4 divisors (see below), whose sum is σ = 133574232. Its totient is φ = 132805872.

The previous prime is 133190041. The next prime is 133190059. The reversal of 133190051 is 150091331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133190051 - 2²² = 128995747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133189999 and 133190026.

It is not an unprimeable number, because it can be changed into a prime (133190059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191570 + ... + 192263.

It is an arithmetic number, because the mean of its divisors is an integer number (33393558).

Almost surely, 2^133190051 is an apocalyptic number.

133190051 is a deficient number, since it is larger than the sum of its proper divisors (384181).

133190051 is an equidigital number, since it uses as much as digits as its factorization.

133190051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384180.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 133190051 is about 11540.7994090531. The cubic root of 133190051 is about 510.6898916665.

The spelling of 133190051 in words is "one hundred thirty-three million, one hundred ninety thousand, fifty-one".