136880587 has 2 divisors, whose sum is σ = 136880588. Its totient is φ = 136880586.

The previous prime is 136880573. The next prime is 136880633. The reversal of 136880587 is 785088631.

It is an a-pointer prime, because the next prime (136880633) can be obtained adding 136880587 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136880587 - 2¹⁵ = 136847819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136880987) 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, 68440293 + 68440294.

It is an arithmetic number, because the mean of its divisors is an integer number (68440294).

Almost surely, 2^136880587 is an apocalyptic number.

136880587 is a deficient number, since it is larger than the sum of its proper divisors (1).

136880587 is an equidigital number, since it uses as much as digits as its factorization.

136880587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 136880587 is about 11699.5977281272. The cubic root of 136880587 is about 515.3638513371.

The spelling of 136880587 in words is "one hundred thirty-six million, eight hundred eighty thousand, five hundred eighty-seven".