135346561 has 8 divisors (see below), whose sum is σ = 155632064. Its totient is φ = 115298640.

The previous prime is 135346529. The next prime is 135346573. The reversal of 135346561 is 165643531.

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 135346561 - 2⁵ = 135346529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135346501) 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, 58170 + ... + 60451.

It is an arithmetic number, because the mean of its divisors is an integer number (19454008).

Almost surely, 2^135346561 is an apocalyptic number.

It is an amenable number.

135346561 is a deficient number, since it is larger than the sum of its proper divisors (20285503).

135346561 is a wasteful number, since it uses less digits than its factorization.

135346561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118791.

The product of its digits is 32400, while the sum is 34.

The square root of 135346561 is about 11633.8540905411. The cubic root of 135346561 is about 513.4313799994.

The spelling of 135346561 in words is "one hundred thirty-five million, three hundred forty-six thousand, five hundred sixty-one".