136536043 has 4 divisors (see below), whose sum is σ = 156041200. Its totient is φ = 117030888.

The previous prime is 136536013. The next prime is 136536067. The reversal of 136536043 is 340635631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340635631 = 7 ⋅48662233.

It is a cyclic number.

It is not a de Polignac number, because 136536043 - 2⁵ = 136536011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136535996 and 136536014.

It is not an unprimeable number, because it can be changed into a prime (136536013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9752568 + ... + 9752581.

It is an arithmetic number, because the mean of its divisors is an integer number (39010300).

Almost surely, 2^136536043 is an apocalyptic number.

136536043 is a deficient number, since it is larger than the sum of its proper divisors (19505157).

136536043 is an equidigital number, since it uses as much as digits as its factorization.

136536043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19505156.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 136536043 is about 11684.8638417399. The cubic root of 136536043 is about 514.9310782182.

The spelling of 136536043 in words is "one hundred thirty-six million, five hundred thirty-six thousand, forty-three".