135047889 has 24 divisors (see below), whose sum is σ = 198368352. Its totient is φ = 88520640.

The previous prime is 135047879. The next prime is 135047897. The reversal of 135047889 is 988740531.

It is not a de Polignac number, because 135047889 - 2⁷ = 135047761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135047879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258949 + ... + 259469.

It is an arithmetic number, because the mean of its divisors is an integer number (8265348).

Almost surely, 2^135047889 is an apocalyptic number.

It is an amenable number.

135047889 is a deficient number, since it is larger than the sum of its proper divisors (63320463).

135047889 is a wasteful number, since it uses less digits than its factorization.

135047889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 135047889 is about 11621.0106703333. The cubic root of 135047889 is about 513.0534353786.

The spelling of 135047889 in words is "one hundred thirty-five million, forty-seven thousand, eight hundred eighty-nine".