135259899 has 16 divisors (see below), whose sum is σ = 183720960. Its totient is φ = 88497920.

The previous prime is 135259889. The next prime is 135259933. The reversal of 135259899 is 998952531.

It is a cyclic number.

It is not a de Polignac number, because 135259899 - 2⁸ = 135259643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135259819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49579 + ... + 52235.

It is an arithmetic number, because the mean of its divisors is an integer number (11482560).

Almost surely, 2^135259899 is an apocalyptic number.

135259899 is a deficient number, since it is larger than the sum of its proper divisors (48461061).

135259899 is a wasteful number, since it uses less digits than its factorization.

135259899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970.

The product of its digits is 874800, while the sum is 51.

The square root of 135259899 is about 11630.1289330772. The cubic root of 135259899 is about 513.3217737413.

The spelling of 135259899 in words is "one hundred thirty-five million, two hundred fifty-nine thousand, eight hundred ninety-nine".