136316366896221 has 12 divisors (see below), whose sum is σ = 196901522283648. Its totient is φ = 90877530192264.

The previous prime is 136316366896211. The next prime is 136316366896267. The reversal of 136316366896221 is 122698663613631.

136316366896221 is a `hidden beast` number, since 1 + 3 + 6 + 316 + 3 + 6 + 6 + 8 + 96 + 221 = 666.

It is not a de Polignac number, because 136316366896221 - 2¹³ = 136316366888029 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136316366896201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25981396 + ... + 30784178.

It is an arithmetic number, because the mean of its divisors is an integer number (16408460190304).

Almost surely, 2^{136316366896221} is an apocalyptic number.

It is an amenable number.

136316366896221 is a deficient number, since it is larger than the sum of its proper divisors (60585155387427).

136316366896221 is a wasteful number, since it uses less digits than its factorization.

136316366896221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956432 (or 7956429 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 63.

The spelling of 136316366896221 in words is "one hundred thirty-six trillion, three hundred sixteen billion, three hundred sixty-six million, eight hundred ninety-six thousand, two hundred twenty-one".