133433737 has 4 divisors (see below), whose sum is σ = 133553680. Its totient is φ = 133313796.

The previous prime is 133433723. The next prime is 133433749. The reversal of 133433737 is 737334331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133433737 - 2⁷ = 133433609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133433537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58287 + ... + 60532.

It is an arithmetic number, because the mean of its divisors is an integer number (33388420).

Almost surely, 2^133433737 is an apocalyptic number.

It is an amenable number.

133433737 is a deficient number, since it is larger than the sum of its proper divisors (119943).

133433737 is a wasteful number, since it uses less digits than its factorization.

133433737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119942.

The product of its digits is 47628, while the sum is 34.

The square root of 133433737 is about 11551.3521719321. The cubic root of 133433737 is about 511.0011565493.

The spelling of 133433737 in words is "one hundred thirty-three million, four hundred thirty-three thousand, seven hundred thirty-seven".