135244011 has 8 divisors (see below), whose sum is σ = 206086144. Its totient is φ = 77282280.

The previous prime is 135244001. The next prime is 135244063. The reversal of 135244011 is 110442531.

135244011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 135244011 - 2⁷ = 135243883 is a prime.

It is a super-2 number, since 2×135244011² = 36581885022736242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6440191 = 135244011 / (1 + 3 + 5 + 2 + 4 + 4 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135244001) 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, 3220075 + ... + 3220116.

It is an arithmetic number, because the mean of its divisors is an integer number (25760768).

Almost surely, 2^135244011 is an apocalyptic number.

135244011 is a deficient number, since it is larger than the sum of its proper divisors (70842133).

135244011 is an equidigital number, since it uses as much as digits as its factorization.

135244011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440201.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 135244011 is about 11629.4458595412. The cubic root of 135244011 is about 513.3016742249.

Adding to 135244011 its reverse (110442531), we get a palindrome (245686542).

The spelling of 135244011 in words is "one hundred thirty-five million, two hundred forty-four thousand, eleven".