42135011 has 8 divisors (see below), whose sum is σ = 44240640. Its totient is φ = 40052232.

The previous prime is 42134987. The next prime is 42135013. The reversal of 42135011 is 11053124.

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 42135011 - 2¹⁸ = 41872867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42135013) 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, 1871 + ... + 9368.

It is an arithmetic number, because the mean of its divisors is an integer number (5530080).

Almost surely, 2^42135011 is an apocalyptic number.

42135011 is a deficient number, since it is larger than the sum of its proper divisors (2105629).

42135011 is a wasteful number, since it uses less digits than its factorization.

42135011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 42135011 is about 6491.1486656831. The cubic root of 42135011 is about 347.9747278737.

Adding to 42135011 its reverse (11053124), we get a palindrome (53188135).

The spelling of 42135011 in words is "forty-two million, one hundred thirty-five thousand, eleven".