136440543 has 8 divisors (see below), whose sum is σ = 182737408. Its totient is φ = 90552024.

The previous prime is 136440541. The next prime is 136440587. The reversal of 136440543 is 345044631.

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

It is not a de Polignac number, because 136440543 - 2¹ = 136440541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136440543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136440541) 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, 101305 + ... + 102642.

It is an arithmetic number, because the mean of its divisors is an integer number (22842176).

Almost surely, 2^136440543 is an apocalyptic number.

136440543 is a deficient number, since it is larger than the sum of its proper divisors (46296865).

136440543 is a wasteful number, since it uses less digits than its factorization.

136440543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204173.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 136440543 is about 11680.7766436997. The cubic root of 136440543 is about 514.8109942055.

The spelling of 136440543 in words is "one hundred thirty-six million, four hundred forty thousand, five hundred forty-three".