135444534 has 8 divisors (see below), whose sum is σ = 270889080. Its totient is φ = 45148176.

The previous prime is 135444523. The next prime is 135444557. The reversal of 135444534 is 435444531.

It is a happy number.

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

135444534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 135444495 and 135444504.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11287039 + ... + 11287050.

It is an arithmetic number, because the mean of its divisors is an integer number (33861135).

Almost surely, 2^135444534 is an apocalyptic number.

135444534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135444534 is a wasteful number, since it uses less digits than its factorization.

135444534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22574094.

The product of its digits is 57600, while the sum is 33.

The square root of 135444534 is about 11638.0640142594. The cubic root of 135444534 is about 513.5552355784. Note that the first 3 decimals are identical.

The spelling of 135444534 in words is "one hundred thirty-five million, four hundred forty-four thousand, five hundred thirty-four".