135434443112431 has 32 divisors (see below), whose sum is σ = 141732960145920. Its totient is φ = 129310113816576.

The previous prime is 135434443112351. The next prime is 135434443112453. The reversal of 135434443112431 is 134211344434531.

It is a cyclic number.

It is not a de Polignac number, because 135434443112431 - 2³⁷ = 135297004158959 is a prime.

It is a super-2 number, since 2×135434443112431² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135434443112461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1061276430 + ... + 1061404036.

It is an arithmetic number, because the mean of its divisors is an integer number (4429155004560).

Almost surely, 2^{135434443112431} is an apocalyptic number.

135434443112431 is a deficient number, since it is larger than the sum of its proper divisors (6298517033489).

135434443112431 is a wasteful number, since it uses less digits than its factorization.

135434443112431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130543.

The product of its digits is 829440, while the sum is 43.

Adding to 135434443112431 its reverse (134211344434531), we get a palindrome (269645787546962).

The spelling of 135434443112431 in words is "one hundred thirty-five trillion, four hundred thirty-four billion, four hundred forty-three million, one hundred twelve thousand, four hundred thirty-one".