133065995 has 4 divisors (see below), whose sum is σ = 159679200. Its totient is φ = 106452792.

The previous prime is 133065991. The next prime is 133066013. The reversal of 133065995 is 599560331.

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 133065995 - 2² = 133065991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133065991) 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, 13306595 + ... + 13306604.

It is an arithmetic number, because the mean of its divisors is an integer number (39919800).

Almost surely, 2^133065995 is an apocalyptic number.

133065995 is a deficient number, since it is larger than the sum of its proper divisors (26613205).

133065995 is an equidigital number, since it uses as much as digits as its factorization.

133065995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26613204.

The product of its (nonzero) digits is 109350, while the sum is 41.

The square root of 133065995 is about 11535.4234859410. The cubic root of 133065995 is about 510.5312866638.

The spelling of 133065995 in words is "one hundred thirty-three million, sixty-five thousand, nine hundred ninety-five".