133416959 has 4 divisors (see below), whose sum is σ = 143679816. Its totient is φ = 123154104.

The previous prime is 133416949. The next prime is 133416961. The reversal of 133416959 is 959614331.

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 133416959 - 2¹² = 133412863 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133416949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5131409 + ... + 5131434.

It is an arithmetic number, because the mean of its divisors is an integer number (35919954).

Almost surely, 2^133416959 is an apocalyptic number.

133416959 is a deficient number, since it is larger than the sum of its proper divisors (10262857).

133416959 is a wasteful number, since it uses less digits than its factorization.

133416959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262856.

The product of its digits is 87480, while the sum is 41.

The square root of 133416959 is about 11550.6259137763. The cubic root of 133416959 is about 510.9797378363.

The spelling of 133416959 in words is "one hundred thirty-three million, four hundred sixteen thousand, nine hundred fifty-nine".