133604051 has 4 divisors (see below), whose sum is σ = 152690352. Its totient is φ = 114517752.

The previous prime is 133603999. The next prime is 133604059. The reversal of 133604051 is 150406331.

It is a happy number.

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 133604051 - 2¹⁴ = 133587667 is a prime.

It is a super-2 number, since 2×133604051² = 35700084887221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133604059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9543140 + ... + 9543153.

It is an arithmetic number, because the mean of its divisors is an integer number (38172588).

Almost surely, 2^133604051 is an apocalyptic number.

133604051 is a deficient number, since it is larger than the sum of its proper divisors (19086301).

133604051 is an equidigital number, since it uses as much as digits as its factorization.

133604051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19086300.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 133604051 is about 11558.7218584063. The cubic root of 133604051 is about 511.2184770229.

The spelling of 133604051 in words is "one hundred thirty-three million, six hundred four thousand, fifty-one".