135423011 has 16 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 124296480.

The previous prime is 135423007. The next prime is 135423047. The reversal of 135423011 is 110324531.

It is a cyclic number.

It is not a de Polignac number, because 135423011 - 2² = 135423007 is a prime.

It is a super-2 number, since 2×135423011² = 36678783816612242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135423091) 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, 126866 + ... + 127928.

It is an arithmetic number, because the mean of its divisors is an integer number (9192960).

Almost surely, 2^135423011 is an apocalyptic number.

135423011 is a deficient number, since it is larger than the sum of its proper divisors (11664349).

135423011 is a wasteful number, since it uses less digits than its factorization.

135423011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135423011 is about 11637.1392962360. The cubic root of 135423011 is about 513.5280317370.

Adding to 135423011 its reverse (110324531), we get a palindrome (245747542).

The spelling of 135423011 in words is "one hundred thirty-five million, four hundred twenty-three thousand, eleven".