135543369 has 8 divisors (see below), whose sum is σ = 194626432. Its totient is φ = 83411280.

The previous prime is 135543337. The next prime is 135543371. The reversal of 135543369 is 963345531.

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

It is not a de Polignac number, because 135543369 - 2⁵ = 135543337 is a prime.

It is a super-2 number, since 2×135543369² = 36744009759740322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3475471 = 135543369 / (1 + 3 + 5 + 5 + 4 + 3 + 3 + 6 + 9).

It is not an unprimeable number, because it can be changed into a prime (135543269) 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, 1737697 + ... + 1737774.

It is an arithmetic number, because the mean of its divisors is an integer number (24328304).

Almost surely, 2^135543369 is an apocalyptic number.

It is an amenable number.

135543369 is a deficient number, since it is larger than the sum of its proper divisors (59083063).

135543369 is a wasteful number, since it uses less digits than its factorization.

135543369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475487.

The product of its digits is 145800, while the sum is 39.

The square root of 135543369 is about 11642.3094358465. The cubic root of 135543369 is about 513.6801203787.

The spelling of 135543369 in words is "one hundred thirty-five million, five hundred forty-three thousand, three hundred sixty-nine".