135766541443 has 8 divisors (see below), whose sum is σ = 150926577536. Its totient is φ = 121280284800.

The previous prime is 135766541389. The next prime is 135766541453. The reversal of 135766541443 is 344145667531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135766541443 - 2²⁵ = 135732987011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135766541453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168444438 + ... + 168445243.

It is an arithmetic number, because the mean of its divisors is an integer number (18865822192).

Almost surely, 2^135766541443 is an apocalyptic number.

135766541443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

135766541443 is a deficient number, since it is larger than the sum of its proper divisors (15160036093).

135766541443 is a wasteful number, since it uses less digits than its factorization.

135766541443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336889725.

The product of its digits is 3628800, while the sum is 49.

The spelling of 135766541443 in words is "one hundred thirty-five billion, seven hundred sixty-six million, five hundred forty-one thousand, four hundred forty-three".