135368587 has 2 divisors, whose sum is σ = 135368588. Its totient is φ = 135368586.

The previous prime is 135368581. The next prime is 135368617. The reversal of 135368587 is 785863531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135368587 - 2³ = 135368579 is a prime.

It is not a weakly prime, because it can be changed into another prime (135368581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67684293 + 67684294.

It is an arithmetic number, because the mean of its divisors is an integer number (67684294).

Almost surely, 2^135368587 is an apocalyptic number.

135368587 is a deficient number, since it is larger than the sum of its proper divisors (1).

135368587 is an equidigital number, since it uses as much as digits as its factorization.

135368587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 135368587 is about 11634.8006858734. The cubic root of 135368587 is about 513.4592300512.

The spelling of 135368587 in words is "one hundred thirty-five million, three hundred sixty-eight thousand, five hundred eighty-seven".