136353871 has 2 divisors, whose sum is σ = 136353872. Its totient is φ = 136353870.

The previous prime is 136353869. The next prime is 136353883. The reversal of 136353871 is 178353631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136353871 - 2¹ = 136353869 is a prime.

Together with 136353869, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136353871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136353851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68176935 + 68176936.

It is an arithmetic number, because the mean of its divisors is an integer number (68176936).

Almost surely, 2^136353871 is an apocalyptic number.

136353871 is a deficient number, since it is larger than the sum of its proper divisors (1).

136353871 is an equidigital number, since it uses as much as digits as its factorization.

136353871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 136353871 is about 11677.0660270463. The cubic root of 136353871 is about 514.7019622201.

The spelling of 136353871 in words is "one hundred thirty-six million, three hundred fifty-three thousand, eight hundred seventy-one".