135308577887 has 8 divisors (see below), whose sum is σ = 163734749856. Its totient is φ = 109156499712.

The previous prime is 135308577869. The next prime is 135308577913. The reversal of 135308577887 is 788775803531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135308577887 - 2²⁴ = 135291800671 is a prime.

It is a super-2 number, since 2×135308577887² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135328577887) 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 7 ways as a sum of consecutive naturals, for example, 568523318 + ... + 568523555.

It is an arithmetic number, because the mean of its divisors is an integer number (20466843732).

Almost surely, 2^135308577887 is an apocalyptic number.

135308577887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135308577887 is a deficient number, since it is larger than the sum of its proper divisors (28426171969).

135308577887 is a wasteful number, since it uses less digits than its factorization.

135308577887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137046897.

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 135308577887 in words is "one hundred thirty-five billion, three hundred eight million, five hundred seventy-seven thousand, eight hundred eighty-seven".