42135133413 has 16 divisors (see below), whose sum is σ = 57043490240. Its totient is φ = 27661595904.

The previous prime is 42135133399. The next prime is 42135133423. The reversal of 42135133413 is 31433153124.

It is a happy number.

It is not a de Polignac number, because 42135133413 - 2¹² = 42135129317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42135133423) 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, 341956 + ... + 448557.

It is an arithmetic number, because the mean of its divisors is an integer number (3565218140).

Almost surely, 2^42135133413 is an apocalyptic number.

It is an amenable number.

42135133413 is a deficient number, since it is larger than the sum of its proper divisors (14908356827).

42135133413 is a wasteful number, since it uses less digits than its factorization.

42135133413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790788.

The product of its digits is 12960, while the sum is 30.

Adding to 42135133413 its reverse (31433153124), we get a palindrome (73568286537).

The spelling of 42135133413 in words is "forty-two billion, one hundred thirty-five million, one hundred thirty-three thousand, four hundred thirteen".