136000566021 has 8 divisors (see below), whose sum is σ = 181339411744. Its totient is φ = 90664382160.

The previous prime is 136000566019. The next prime is 136000566029. The reversal of 136000566021 is 120665000631.

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

It is not a de Polignac number, because 136000566021 - 2¹ = 136000566019 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 136000566021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136000566029) 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, 543031 + ... + 752916.

It is an arithmetic number, because the mean of its divisors is an integer number (22667426468).

Almost surely, 2^136000566021 is an apocalyptic number.

It is an amenable number.

136000566021 is a deficient number, since it is larger than the sum of its proper divisors (45338845723).

136000566021 is a wasteful number, since it uses less digits than its factorization.

136000566021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330931.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 136000566021 its reverse (120665000631), we get a palindrome (256665566652).

The spelling of 136000566021 in words is "one hundred thirty-six billion, five hundred sixty-six thousand, twenty-one".