136993859582 has 4 divisors (see below), whose sum is σ = 205490789376. Its totient is φ = 68496929790.

The previous prime is 136993859579. The next prime is 136993859621. The reversal of 136993859582 is 285958399631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 285958399631 = 23 ⋅12432973897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34248464894 + ... + 34248464897.

It is an arithmetic number, because the mean of its divisors is an integer number (51372697344).

Almost surely, 2^136993859582 is an apocalyptic number.

136993859582 is a deficient number, since it is larger than the sum of its proper divisors (68496929794).

136993859582 is an equidigital number, since it uses as much as digits as its factorization.

136993859582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68496929793.

The product of its digits is 125971200, while the sum is 68.

The spelling of 136993859582 in words is "one hundred thirty-six billion, nine hundred ninety-three million, eight hundred fifty-nine thousand, five hundred eighty-two".