136543799 has 16 divisors (see below), whose sum is σ = 159129600. Its totient is φ = 114747840.

The previous prime is 136543777. The next prime is 136543811. The reversal of 136543799 is 997345631.

It is a cyclic number.

It is not a de Polignac number, because 136543799 - 2⁸ = 136543543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136543739) 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, 96902 + ... + 98300.

It is an arithmetic number, because the mean of its divisors is an integer number (9945600).

Almost surely, 2^136543799 is an apocalyptic number.

136543799 is a deficient number, since it is larger than the sum of its proper divisors (22585801).

136543799 is a wasteful number, since it uses less digits than its factorization.

136543799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its digits is 612360, while the sum is 47.

The square root of 136543799 is about 11685.1957193707. The cubic root of 136543799 is about 514.9408283416.

The spelling of 136543799 in words is "one hundred thirty-six million, five hundred forty-three thousand, seven hundred ninety-nine".