135016789 has 2 divisors, whose sum is σ = 135016790. Its totient is φ = 135016788.

The previous prime is 135016787. The next prime is 135016799. The reversal of 135016789 is 987610531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129208689 + 5808100 = 11367^2 + 2410^2 .

It is an emirp because it is prime and its reverse (987610531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135016789 - 2¹ = 135016787 is a prime.

Together with 135016787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135016787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67508394 + 67508395.

It is an arithmetic number, because the mean of its divisors is an integer number (67508395).

Almost surely, 2^135016789 is an apocalyptic number.

It is an amenable number.

135016789 is a deficient number, since it is larger than the sum of its proper divisors (1).

135016789 is an equidigital number, since it uses as much as digits as its factorization.

135016789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 135016789 is about 11619.6724996878. The cubic root of 135016789 is about 513.0140488890.

The spelling of 135016789 in words is "one hundred thirty-five million, sixteen thousand, seven hundred eighty-nine".