136042143 has 16 divisors (see below), whose sum is σ = 194695776. Its totient is φ = 84188160.

The previous prime is 136042117. The next prime is 136042157. The reversal of 136042143 is 341240631.

It is not a de Polignac number, because 136042143 - 2⁸ = 136041887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136042243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14548 + ... + 21993.

It is an arithmetic number, because the mean of its divisors is an integer number (12168486).

Almost surely, 2^136042143 is an apocalyptic number.

136042143 is a deficient number, since it is larger than the sum of its proper divisors (58653633).

136042143 is a wasteful number, since it uses less digits than its factorization.

136042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36634.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 136042143 is about 11663.7105159550. The cubic root of 136042143 is about 514.3094310381.

Adding to 136042143 its reverse (341240631), we get a palindrome (477282774).

The spelling of 136042143 in words is "one hundred thirty-six million, forty-two thousand, one hundred forty-three".