133276943 has 4 divisors (see below), whose sum is σ = 133350048. Its totient is φ = 133203840.

The previous prime is 133276939. The next prime is 133277017. The reversal of 133276943 is 349672331.

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 133276943 - 2² = 133276939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133276897 and 133276906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133276543) 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, 33746 + ... + 37487.

It is an arithmetic number, because the mean of its divisors is an integer number (33337512).

Almost surely, 2^133276943 is an apocalyptic number.

133276943 is a deficient number, since it is larger than the sum of its proper divisors (73105).

133276943 is an equidigital number, since it uses as much as digits as its factorization.

133276943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73104.

The product of its digits is 81648, while the sum is 38.

The square root of 133276943 is about 11544.5633525049. The cubic root of 133276943 is about 510.8009240329.

The spelling of 133276943 in words is "one hundred thirty-three million, two hundred seventy-six thousand, nine hundred forty-three".