136499983 has 2 divisors, whose sum is σ = 136499984. Its totient is φ = 136499982.

The previous prime is 136499939. The next prime is 136500031. The reversal of 136499983 is 389994631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136499983 - 2²⁵ = 102945551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136499983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136499903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68249991 + 68249992.

It is an arithmetic number, because the mean of its divisors is an integer number (68249992).

Almost surely, 2^136499983 is an apocalyptic number.

136499983 is a deficient number, since it is larger than the sum of its proper divisors (1).

136499983 is an equidigital number, since it uses as much as digits as its factorization.

136499983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 52.

The square root of 136499983 is about 11683.3207180151. The cubic root of 136499983 is about 514.8857420828.

It can be divided in two parts, 13649 and 9983, that added together give a palindrome (23632).

The spelling of 136499983 in words is "one hundred thirty-six million, four hundred ninety-nine thousand, nine hundred eighty-three".