135020969 has 8 divisors (see below), whose sum is σ = 138240000. Its totient is φ = 131833072.

The previous prime is 135020959. The next prime is 135021023. The reversal of 135020969 is 969020531.

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 135020969 - 2⁸ = 135020713 is a prime.

It is a super-2 number, since 2×135020969² = 36461324139397922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135020959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 16470.

It is an arithmetic number, because the mean of its divisors is an integer number (17280000).

Almost surely, 2^135020969 is an apocalyptic number.

It is an amenable number.

135020969 is a deficient number, since it is larger than the sum of its proper divisors (3219031).

135020969 is a wasteful number, since it uses less digits than its factorization.

135020969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 135020969 is about 11619.8523656714. The cubic root of 135020969 is about 513.0193429877.

The spelling of 135020969 in words is "one hundred thirty-five million, twenty thousand, nine hundred sixty-nine".