133847011 has 4 divisors (see below), whose sum is σ = 135351000. Its totient is φ = 132343024.

The previous prime is 133847009. The next prime is 133847017. The reversal of 133847011 is 110748331.

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 133847011 - 2¹ = 133847009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133847017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751861 + ... + 752038.

It is an arithmetic number, because the mean of its divisors is an integer number (33837750).

Almost surely, 2^133847011 is an apocalyptic number.

133847011 is a deficient number, since it is larger than the sum of its proper divisors (1503989).

133847011 is an equidigital number, since it uses as much as digits as its factorization.

133847011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503988.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 133847011 is about 11569.2268972477. The cubic root of 133847011 is about 511.5281742878.

The spelling of 133847011 in words is "one hundred thirty-three million, eight hundred forty-seven thousand, eleven".