135043340531 has 4 divisors (see below), whose sum is σ = 147320007864. Its totient is φ = 122766673200.

The previous prime is 135043340519. The next prime is 135043340543.

135043340531 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (135043340519) and next prime (135043340543).

It is a cyclic number.

It is not a de Polignac number, because 135043340531 - 2¹⁰ = 135043339507 is a prime.

It is a super-2 number, since 2×135043340531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135043346531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6138333650 + ... + 6138333671.

It is an arithmetic number, because the mean of its divisors is an integer number (36830001966).

Almost surely, 2^135043340531 is an apocalyptic number.

135043340531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135043340531 is a deficient number, since it is larger than the sum of its proper divisors (12276667333).

135043340531 is a wasteful number, since it uses less digits than its factorization.

135043340531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276667332.

The product of its (nonzero) digits is 32400, while the sum is 32.

It can be divided in two parts, 135043 and 340531, that added together give a palindrome (475574).

The spelling of 135043340531 in words is "one hundred thirty-five billion, forty-three million, three hundred forty thousand, five hundred thirty-one".