136535521922 has 6 divisors (see below), whose sum is σ = 204804066729. Its totient is φ = 68267499680.

The previous prime is 136535521907. The next prime is 136535521931. The reversal of 136535521922 is 229125535631.

It can be written as a sum of positive squares in 2 ways, for example, as 116532794161 + 20002727761 = 341369^2 + 141431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=261281.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 391922 + ... + 653202.

Almost surely, 2^136535521922 is an apocalyptic number.

136535521922 is a deficient number, since it is larger than the sum of its proper divisors (68268544807).

136535521922 is an frugal number, since it uses more digits than its factorization.

136535521922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522564 (or 261283 counting only the distinct ones).

The product of its digits is 486000, while the sum is 44.

The spelling of 136535521922 in words is "one hundred thirty-six billion, five hundred thirty-five million, five hundred twenty-one thousand, nine hundred twenty-two".