135026587 has 2 divisors, whose sum is σ = 135026588. Its totient is φ = 135026586.

The previous prime is 135026569. The next prime is 135026599. The reversal of 135026587 is 785620531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135026587 - 2¹⁵ = 134993819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135026557) 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 as a sum of consecutive naturals, namely, 67513293 + 67513294.

It is an arithmetic number, because the mean of its divisors is an integer number (67513294).

Almost surely, 2^135026587 is an apocalyptic number.

135026587 is a deficient number, since it is larger than the sum of its proper divisors (1).

135026587 is an equidigital number, since it uses as much as digits as its factorization.

135026587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 135026587 is about 11620.0941046103. The cubic root of 135026587 is about 513.0264581855.

The spelling of 135026587 in words is "one hundred thirty-five million, twenty-six thousand, five hundred eighty-seven".