135147669 has 8 divisors (see below), whose sum is σ = 180479712. Its totient is φ = 89957040.

The previous prime is 135147659. The next prime is 135147673. The reversal of 135147669 is 966741531.

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

It is not a de Polignac number, because 135147669 - 2⁷ = 135147541 is a prime.

It is a super-2 number, since 2×135147669² = 36529784872267122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135147669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135147629) 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, 33102 + ... + 36959.

It is an arithmetic number, because the mean of its divisors is an integer number (22559964).

Almost surely, 2^135147669 is an apocalyptic number.

It is an amenable number.

135147669 is a deficient number, since it is larger than the sum of its proper divisors (45332043).

135147669 is an equidigital number, since it uses as much as digits as its factorization.

135147669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70707.

The product of its digits is 136080, while the sum is 42.

The square root of 135147669 is about 11625.3029637941. The cubic root of 135147669 is about 513.1797606141.

The spelling of 135147669 in words is "one hundred thirty-five million, one hundred forty-seven thousand, six hundred sixty-nine".