136359594361 has 3 divisors (see below), whose sum is σ = 136359963631. Its totient is φ = 136359225092.

The previous prime is 136359594359. The next prime is 136359594373. The reversal of 136359594361 is 163495953631.

It is a happy number.

The square root of 136359594361 is 369269.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 19819289961 + 116540304400 = 140781^2 + 341380^2 .

It is not a de Polignac number, because 136359594361 - 2¹ = 136359594359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136359594331) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 184635 + ... + 553903.

Almost surely, 2^136359594361 is an apocalyptic number.

136359594361 is the 369269-th square number.

136359594361 is the 184635-th centered octagonal number.

It is an amenable number.

136359594361 is a deficient number, since it is larger than the sum of its proper divisors (369270).

136359594361 is an frugal number, since it uses more digits than its factorization.

136359594361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738538 (or 369269 counting only the distinct ones).

The product of its digits is 7873200, while the sum is 55.

The spelling of 136359594361 in words is "one hundred thirty-six billion, three hundred fifty-nine million, five hundred ninety-four thousand, three hundred sixty-one".