136355223571 has 4 divisors (see below), whose sum is σ = 155834541232. Its totient is φ = 116875905912.

The previous prime is 136355223553. The next prime is 136355223607. The reversal of 136355223571 is 175322553631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 175322553631 = 397 ⋅441618523.

It is a cyclic number.

It is not a de Polignac number, because 136355223571 - 2¹³ = 136355215379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136355223541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9739658820 + ... + 9739658833.

It is an arithmetic number, because the mean of its divisors is an integer number (38958635308).

Almost surely, 2^136355223571 is an apocalyptic number.

136355223571 is a deficient number, since it is larger than the sum of its proper divisors (19479317661).

136355223571 is an equidigital number, since it uses as much as digits as its factorization.

136355223571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19479317660.

The product of its digits is 567000, while the sum is 43.

The spelling of 136355223571 in words is "one hundred thirty-six billion, three hundred fifty-five million, two hundred twenty-three thousand, five hundred seventy-one".