135567889 has 8 divisors (see below), whose sum is σ = 139377920. Its totient is φ = 131765616.

The previous prime is 135567797. The next prime is 135567893. The reversal of 135567889 is 988765531.

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 135567889 - 2¹⁵ = 135535121 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (135567389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64042 + ... + 66124.

It is an arithmetic number, because the mean of its divisors is an integer number (17422240).

Almost surely, 2^135567889 is an apocalyptic number.

It is an amenable number.

135567889 is a deficient number, since it is larger than the sum of its proper divisors (3810031).

135567889 is a wasteful number, since it uses less digits than its factorization.

135567889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879.

The product of its digits is 1814400, while the sum is 52.

The square root of 135567889 is about 11643.3624438991. The cubic root of 135567889 is about 513.7110936807.

The spelling of 135567889 in words is "one hundred thirty-five million, five hundred sixty-seven thousand, eight hundred eighty-nine".