133040413 has 12 divisors (see below), whose sum is σ = 153180288. Its totient is φ = 114576840.

The previous prime is 133040399. The next prime is 133040423. The reversal of 133040413 is 314040331.

It is a de Polignac number, because none of the positive numbers 2^k-133040413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133040423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12781 + ... + 20722.

It is an arithmetic number, because the mean of its divisors is an integer number (12765024).

Almost surely, 2^133040413 is an apocalyptic number.

It is an amenable number.

133040413 is a deficient number, since it is larger than the sum of its proper divisors (20139875).

133040413 is a wasteful number, since it uses less digits than its factorization.

133040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33552 (or 33533 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133040413 is about 11534.3145873520. The cubic root of 133040413 is about 510.4985679405.

Adding to 133040413 its reverse (314040331), we get a palindrome (447080744).

The spelling of 133040413 in words is "one hundred thirty-three million, forty thousand, four hundred thirteen".