136983887539 has 8 divisors (see below), whose sum is σ = 137577796272. Its totient is φ = 136390974720.

The previous prime is 136983887533. The next prime is 136983887543. The reversal of 136983887539 is 935788389631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136983887539 - 2²³ = 136975498931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136983887533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27372 + ... + 524134.

It is an arithmetic number, because the mean of its divisors is an integer number (17197224534).

Almost surely, 2^136983887539 is an apocalyptic number.

136983887539 is a deficient number, since it is larger than the sum of its proper divisors (593908733).

136983887539 is an equidigital number, since it uses as much as digits as its factorization.

136983887539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497957.

The product of its digits is 235146240, while the sum is 70.

The spelling of 136983887539 in words is "one hundred thirty-six billion, nine hundred eighty-three million, eight hundred eighty-seven thousand, five hundred thirty-nine".