136312223571 has 8 divisors (see below), whose sum is σ = 201944034960. Its totient is φ = 90874815696.

The previous prime is 136312223557. The next prime is 136312223609. The reversal of 136312223571 is 175322213631.

136312223571 is a `hidden beast` number, since 1 + 3 + 63 + 1 + 2 + 2 + 23 + 571 = 666.

It is not a de Polignac number, because 136312223571 - 2¹⁰ = 136312222547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136312223171) 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, 2524300410 + ... + 2524300463.

It is an arithmetic number, because the mean of its divisors is an integer number (25243004370).

Almost surely, 2^136312223571 is an apocalyptic number.

136312223571 is a deficient number, since it is larger than the sum of its proper divisors (65631811389).

136312223571 is an equidigital number, since it uses as much as digits as its factorization.

136312223571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048600882 (or 5048600876 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The spelling of 136312223571 in words is "one hundred thirty-six billion, three hundred twelve million, two hundred twenty-three thousand, five hundred seventy-one".