135558087 has 16 divisors (see below), whose sum is σ = 206959872. Its totient is φ = 77313600.

The previous prime is 135558083. The next prime is 135558089. The reversal of 135558087 is 780855531.

It is a happy number.

It is not a de Polignac number, because 135558087 - 2² = 135558083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135558083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5587 + ... + 17387.

It is an arithmetic number, because the mean of its divisors is an integer number (12934992).

Almost surely, 2^135558087 is an apocalyptic number.

135558087 is a deficient number, since it is larger than the sum of its proper divisors (71401785).

135558087 is a wasteful number, since it uses less digits than its factorization.

135558087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358.

The product of its (nonzero) digits is 168000, while the sum is 42.

The square root of 135558087 is about 11642.9415097732. The cubic root of 135558087 is about 513.6987123871.

The spelling of 135558087 in words is "one hundred thirty-five million, five hundred fifty-eight thousand, eighty-seven".