133976343 has 4 divisors (see below), whose sum is σ = 178635128. Its totient is φ = 89317560.

The previous prime is 133976329. The next prime is 133976363. The reversal of 133976343 is 343679331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133976343 - 2¹⁰ = 133975319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133976363) 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, 22329388 + ... + 22329393.

It is an arithmetic number, because the mean of its divisors is an integer number (44658782).

Almost surely, 2^133976343 is an apocalyptic number.

133976343 is a deficient number, since it is larger than the sum of its proper divisors (44658785).

133976343 is an equidigital number, since it uses as much as digits as its factorization.

133976343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44658784.

The product of its digits is 122472, while the sum is 39.

The square root of 133976343 is about 11574.8150309195. The cubic root of 133976343 is about 511.6928789117.

The spelling of 133976343 in words is "one hundred thirty-three million, nine hundred seventy-six thousand, three hundred forty-three".