135440134543 has 16 divisors (see below), whose sum is σ = 160444730880. Its totient is φ = 111865463136.

The previous prime is 135440134541. The next prime is 135440134547. The reversal of 135440134543 is 345431044531.

It is not a de Polignac number, because 135440134543 - 2¹ = 135440134541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135440134541) 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, 561105 + ... + 765322.

It is an arithmetic number, because the mean of its divisors is an integer number (10027795680).

Almost surely, 2^135440134543 is an apocalyptic number.

135440134543 is a deficient number, since it is larger than the sum of its proper divisors (25004596337).

135440134543 is a wasteful number, since it uses less digits than its factorization.

135440134543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326966.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 135440134543 in words is "one hundred thirty-five billion, four hundred forty million, one hundred thirty-four thousand, five hundred forty-three".