135124411 has 4 divisors (see below), whose sum is σ = 135393552. Its totient is φ = 134855272.

The previous prime is 135124399. The next prime is 135124417. The reversal of 135124411 is 114421531.

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 135124411 - 2¹¹ = 135122363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135124417) 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, 133816 + ... + 134821.

It is an arithmetic number, because the mean of its divisors is an integer number (33848388).

Almost surely, 2^135124411 is an apocalyptic number.

135124411 is a deficient number, since it is larger than the sum of its proper divisors (269141).

135124411 is an equidigital number, since it uses as much as digits as its factorization.

135124411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269140.

The product of its digits is 480, while the sum is 22.

The square root of 135124411 is about 11624.3026027371. The cubic root of 135124411 is about 513.1503206696.

Adding to 135124411 its reverse (114421531), we get a palindrome (249545942).

The spelling of 135124411 in words is "one hundred thirty-five million, one hundred twenty-four thousand, four hundred eleven".