135542311 has 2 divisors, whose sum is σ = 135542312. Its totient is φ = 135542310.

The previous prime is 135542279. The next prime is 135542347. The reversal of 135542311 is 113245531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135542311 - 2⁵ = 135542279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135542111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67771155 + 67771156.

It is an arithmetic number, because the mean of its divisors is an integer number (67771156).

Almost surely, 2^135542311 is an apocalyptic number.

135542311 is a deficient number, since it is larger than the sum of its proper divisors (1).

135542311 is an equidigital number, since it uses as much as digits as its factorization.

135542311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 135542311 is about 11642.2639980375. The cubic root of 135542311 is about 513.6787838446.

Adding to 135542311 its reverse (113245531), we get a palindrome (248787842).

The spelling of 135542311 in words is "one hundred thirty-five million, five hundred forty-two thousand, three hundred eleven".