133043413 has 8 divisors (see below), whose sum is σ = 137917440. Its totient is φ = 128205840.

The previous prime is 133043381. The next prime is 133043423. The reversal of 133043413 is 314340331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133043413 - 2⁵ = 133043381 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 (133043423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (17239680).

Almost surely, 2^133043413 is an apocalyptic number.

It is an amenable number.

133043413 is a deficient number, since it is larger than the sum of its proper divisors (4874027).

133043413 is a wasteful number, since it uses less digits than its factorization.

133043413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 133043413 is about 11534.4446333579. Note that the first 3 decimals coincide. The cubic root of 133043413 is about 510.5024050808.

Adding to 133043413 its reverse (314340331), we get a palindrome (447383744).

The spelling of 133043413 in words is "one hundred thirty-three million, forty-three thousand, four hundred thirteen".