135744066 has 32 divisors (see below), whose sum is σ = 303696000. Its totient is φ = 44941680.

The previous prime is 135744061. The next prime is 135744079. The reversal of 135744066 is 660447531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135744066.

It is not an unprimeable number, because it can be changed into a prime (135744061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390 + ... + 16481.

It is an arithmetic number, because the mean of its divisors is an integer number (9490500).

Almost surely, 2^135744066 is an apocalyptic number.

135744066 is an abundant number, since it is smaller than the sum of its proper divisors (167951934).

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

135744066 is a wasteful number, since it uses less digits than its factorization.

135744066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17031 (or 17025 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 135744066 is about 11650.9255426339. The cubic root of 135744066 is about 513.9335281217.

The spelling of 135744066 in words is "one hundred thirty-five million, seven hundred forty-four thousand, sixty-six".