136316143 has 4 divisors (see below), whose sum is σ = 136911640. Its totient is φ = 135720648.

The previous prime is 136316113. The next prime is 136316209. The reversal of 136316143 is 341613631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136316143 is a prime.

It is a super-3 number, since 3×136316143³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136316113) 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, 297405 + ... + 297862.

It is an arithmetic number, because the mean of its divisors is an integer number (34227910).

Almost surely, 2^136316143 is an apocalyptic number.

136316143 is a deficient number, since it is larger than the sum of its proper divisors (595497).

136316143 is an equidigital number, since it uses as much as digits as its factorization.

136316143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595496.

The product of its digits is 3888, while the sum is 28.

The square root of 136316143 is about 11675.4504409894. The cubic root of 136316143 is about 514.6544865678.

Adding to 136316143 its reverse (341613631), we get a palindrome (477929774).

The spelling of 136316143 in words is "one hundred thirty-six million, three hundred sixteen thousand, one hundred forty-three".