133641343 has 4 divisors (see below), whose sum is σ = 145790568. Its totient is φ = 121492120.

The previous prime is 133641337. The next prime is 133641359. The reversal of 133641343 is 343146331.

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 133641343 - 2⁵ = 133641311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133641323) 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, 6074596 + ... + 6074617.

It is an arithmetic number, because the mean of its divisors is an integer number (36447642).

Almost surely, 2^133641343 is an apocalyptic number.

133641343 is a deficient number, since it is larger than the sum of its proper divisors (12149225).

133641343 is a wasteful number, since it uses less digits than its factorization.

133641343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12149224.

The product of its digits is 7776, while the sum is 28.

The square root of 133641343 is about 11560.3348999932. The cubic root of 133641343 is about 511.2660369230.

Adding to 133641343 its reverse (343146331), we get a palindrome (476787674).

The spelling of 133641343 in words is "one hundred thirty-three million, six hundred forty-one thousand, three hundred forty-three".