136984495539 has 4 divisors (see below), whose sum is σ = 182645994056. Its totient is φ = 91322997024.

The previous prime is 136984495523. The next prime is 136984495589. The reversal of 136984495539 is 935594489631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935594489631 = 3 ⋅311864829877.

It is not a de Polignac number, because 136984495539 - 2⁴ = 136984495523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136984495539.

It is not an unprimeable number, because it can be changed into a prime (136984495589) 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, 22830749254 + ... + 22830749259.

It is an arithmetic number, because the mean of its divisors is an integer number (45661498514).

Almost surely, 2^136984495539 is an apocalyptic number.

136984495539 is a deficient number, since it is larger than the sum of its proper divisors (45661498517).

136984495539 is an equidigital number, since it uses as much as digits as its factorization.

136984495539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45661498516.

The product of its digits is 125971200, while the sum is 66.

The spelling of 136984495539 in words is "one hundred thirty-six billion, nine hundred eighty-four million, four hundred ninety-five thousand, five hundred thirty-nine".