136477871 has 2 divisors, whose sum is σ = 136477872. Its totient is φ = 136477870.

The previous prime is 136477849. The next prime is 136477879. The reversal of 136477871 is 178774631.

136477871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136477871 - 2¹⁸ = 136215727 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 (136477879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68238935 + 68238936.

It is an arithmetic number, because the mean of its divisors is an integer number (68238936).

Almost surely, 2^136477871 is an apocalyptic number.

136477871 is a deficient number, since it is larger than the sum of its proper divisors (1).

136477871 is an equidigital number, since it uses as much as digits as its factorization.

136477871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 44.

The square root of 136477871 is about 11682.3743733883. The cubic root of 136477871 is about 514.8579380052.

The spelling of 136477871 in words is "one hundred thirty-six million, four hundred seventy-seven thousand, eight hundred seventy-one".