135069457 has 8 divisors (see below), whose sum is σ = 138650400. Its totient is φ = 131502240.

The previous prime is 135069419. The next prime is 135069481. The reversal of 135069457 is 754960531.

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 135069457 - 2¹⁵ = 135036689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135069257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18294 + ... + 24592.

It is an arithmetic number, because the mean of its divisors is an integer number (17331300).

Almost surely, 2^135069457 is an apocalyptic number.

It is an amenable number.

135069457 is a deficient number, since it is larger than the sum of its proper divisors (3580943).

135069457 is an equidigital number, since it uses as much as digits as its factorization.

135069457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6863.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 135069457 is about 11621.9386076506. The cubic root of 135069457 is about 513.0807465484.

It can be divided in two parts, 1350 and 69457, that added together give a palindrome (70807).

The spelling of 135069457 in words is "one hundred thirty-five million, sixty-nine thousand, four hundred fifty-seven".