135469451 has 8 divisors (see below), whose sum is σ = 147230160. Its totient is φ = 123900192.

The previous prime is 135469441. The next prime is 135469457. The reversal of 135469451 is 154964531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135469451 - 2⁶ = 135469387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135469457) 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 7 ways as a sum of consecutive naturals, for example, 46385 + ... + 49218.

It is an arithmetic number, because the mean of its divisors is an integer number (18403770).

Almost surely, 2^135469451 is an apocalyptic number.

135469451 is a deficient number, since it is larger than the sum of its proper divisors (11760709).

135469451 is a wasteful number, since it uses less digits than its factorization.

135469451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95725.

The product of its digits is 64800, while the sum is 38.

The square root of 135469451 is about 11639.1344609468. The cubic root of 135469451 is about 513.5867256426.

The spelling of 135469451 in words is "one hundred thirty-five million, four hundred sixty-nine thousand, four hundred fifty-one".