135822469 has 8 divisors (see below), whose sum is σ = 151381440. Its totient is φ = 121104576.

The previous prime is 135822461. The next prime is 135822481. The reversal of 135822469 is 964228531.

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 135822469 - 2³ = 135822461 is a prime.

It is a super-2 number, since 2×135822469² = 36895486170511922, 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 (135822461) 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, 209929 + ... + 210574.

It is an arithmetic number, because the mean of its divisors is an integer number (18922680).

Almost surely, 2^135822469 is an apocalyptic number.

135822469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

135822469 is a deficient number, since it is larger than the sum of its proper divisors (15558971).

135822469 is a wasteful number, since it uses less digits than its factorization.

135822469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420539.

The product of its digits is 103680, while the sum is 40.

The square root of 135822469 is about 11654.2897252471. The cubic root of 135822469 is about 514.0324549145.

The spelling of 135822469 in words is "one hundred thirty-five million, eight hundred twenty-two thousand, four hundred sixty-nine".