136590871 has 2 divisors, whose sum is σ = 136590872. Its totient is φ = 136590870.

The previous prime is 136590821. The next prime is 136590877. The reversal of 136590871 is 178095631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136590871 - 2¹³ = 136582679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136590877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68295435 + 68295436.

It is an arithmetic number, because the mean of its divisors is an integer number (68295436).

Almost surely, 2^136590871 is an apocalyptic number.

136590871 is a deficient number, since it is larger than the sum of its proper divisors (1).

136590871 is an equidigital number, since it uses as much as digits as its factorization.

136590871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 136590871 is about 11687.2097183203. The cubic root of 136590871 is about 514.9999949728. Note that the first 5 decimals are identical.

The spelling of 136590871 in words is "one hundred thirty-six million, five hundred ninety thousand, eight hundred seventy-one".