133005051 has 16 divisors (see below), whose sum is σ = 199746720. Its totient is φ = 87454080.

The previous prime is 133005031. The next prime is 133005053. The reversal of 133005051 is 150500331.

It is a happy number.

It is not a de Polignac number, because 133005051 - 2¹³ = 132996859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133005053) 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, 31770 + ... + 35711.

It is an arithmetic number, because the mean of its divisors is an integer number (12484170).

Almost surely, 2^133005051 is an apocalyptic number.

133005051 is a deficient number, since it is larger than the sum of its proper divisors (66741669).

133005051 is an equidigital number, since it uses as much as digits as its factorization.

133005051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67563 (or 67557 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 133005051 is about 11532.7815812145. The cubic root of 133005051 is about 510.4533339408.

Adding to 133005051 its reverse (150500331), we get a palindrome (283505382).

The spelling of 133005051 in words is "one hundred thirty-three million, five thousand, fifty-one".