133144343 has 16 divisors (see below), whose sum is σ = 145770240. Its totient is φ = 121176000.

The previous prime is 133144327. The next prime is 133144351. The reversal of 133144343 is 343441331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133144343 - 2⁴ = 133144327 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 (133144313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50918 + ... + 53468.

It is an arithmetic number, because the mean of its divisors is an integer number (9110640).

Almost surely, 2^133144343 is an apocalyptic number.

133144343 is a deficient number, since it is larger than the sum of its proper divisors (12625897).

133144343 is a wasteful number, since it uses less digits than its factorization.

133144343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678.

The product of its digits is 5184, while the sum is 26.

The square root of 133144343 is about 11538.8189603616. The cubic root of 133144343 is about 510.6314656701.

Adding to 133144343 its reverse (343441331), we get a palindrome (476585674).

The spelling of 133144343 in words is "one hundred thirty-three million, one hundred forty-four thousand, three hundred forty-three".