136531743 has 8 divisors (see below), whose sum is σ = 192750768. Its totient is φ = 85666944.

The previous prime is 136531741. The next prime is 136531783. The reversal of 136531743 is 347135631.

136531743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136531743 - 2¹ = 136531741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136531741) 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, 1338496 + ... + 1338597.

It is an arithmetic number, because the mean of its divisors is an integer number (24093846).

Almost surely, 2^136531743 is an apocalyptic number.

136531743 is a deficient number, since it is larger than the sum of its proper divisors (56219025).

136531743 is a wasteful number, since it uses less digits than its factorization.

136531743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677113.

The product of its digits is 22680, while the sum is 33.

The square root of 136531743 is about 11684.6798415703. The cubic root of 136531743 is about 514.9256724981.

The spelling of 136531743 in words is "one hundred thirty-six million, five hundred thirty-one thousand, seven hundred forty-three".