136028143 has 2 divisors, whose sum is σ = 136028144. Its totient is φ = 136028142.

The previous prime is 136028131. The next prime is 136028147. The reversal of 136028143 is 341820631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136028143 - 2⁵ = 136028111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136028147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68014071 + 68014072.

It is an arithmetic number, because the mean of its divisors is an integer number (68014072).

Almost surely, 2^136028143 is an apocalyptic number.

136028143 is a deficient number, since it is larger than the sum of its proper divisors (1).

136028143 is an equidigital number, since it uses as much as digits as its factorization.

136028143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 136028143 is about 11663.1103484448. The cubic root of 136028143 is about 514.2917880272.

Adding to 136028143 its reverse (341820631), we get a palindrome (477848774).

The spelling of 136028143 in words is "one hundred thirty-six million, twenty-eight thousand, one hundred forty-three".