135009774 has 32 divisors (see below), whose sum is σ = 309703680. Its totient is φ = 43551000.

The previous prime is 135009773. The next prime is 135009799. The reversal of 135009774 is 477900531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135009773) 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, 38652 + ... + 41999.

It is an arithmetic number, because the mean of its divisors is an integer number (9678240).

Almost surely, 2^135009774 is an apocalyptic number.

135009774 is an abundant number, since it is smaller than the sum of its proper divisors (174693906).

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

135009774 is a wasteful number, since it uses less digits than its factorization.

135009774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80693 (or 80687 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 135009774 is about 11619.3706370010. The cubic root of 135009774 is about 513.0051639301.

The spelling of 135009774 in words is "one hundred thirty-five million, nine thousand, seven hundred seventy-four".