135422420111 has 4 divisors (see below), whose sum is σ = 147733549224. Its totient is φ = 123111291000.

The previous prime is 135422420047. The next prime is 135422420113. The reversal of 135422420111 is 111024224531.

It is a happy number.

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 135422420111 - 2⁶ = 135422420047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135422420113) 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, 6155564540 + ... + 6155564561.

It is an arithmetic number, because the mean of its divisors is an integer number (36933387306).

Almost surely, 2^135422420111 is an apocalyptic number.

135422420111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135422420111 is a deficient number, since it is larger than the sum of its proper divisors (12311129113).

135422420111 is a wasteful number, since it uses less digits than its factorization.

135422420111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311129112.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 135422420111 its reverse (111024224531), we get a palindrome (246446644642).

The spelling of 135422420111 in words is "one hundred thirty-five billion, four hundred twenty-two million, four hundred twenty thousand, one hundred eleven".