135316069 has 4 divisors (see below), whose sum is σ = 154646944. Its totient is φ = 115985196.

The previous prime is 135316037. The next prime is 135316079. The reversal of 135316069 is 960613531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135316069 - 2⁵ = 135316037 is a prime.

It is a super-2 number, since 2×135316069² = 36620877059225522, which 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 (135316009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9665427 + ... + 9665440.

It is an arithmetic number, because the mean of its divisors is an integer number (38661736).

Almost surely, 2^135316069 is an apocalyptic number.

It is an amenable number.

135316069 is a deficient number, since it is larger than the sum of its proper divisors (19330875).

135316069 is an equidigital number, since it uses as much as digits as its factorization.

135316069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19330874.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 135316069 is about 11632.5435309738. The cubic root of 135316069 is about 513.3928204051.

It can be divided in two parts, 13531 and 6069, that added together give a square (19600 = 140²).

The spelling of 135316069 in words is "one hundred thirty-five million, three hundred sixteen thousand, sixty-nine".