135185766 has 32 divisors (see below), whose sum is σ = 286357248. Its totient is φ = 42456480.

The previous prime is 135185731. The next prime is 135185767. The reversal of 135185766 is 667581531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135185767) 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, 1936 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (8948664).

Almost surely, 2^135185766 is an apocalyptic number.

135185766 is an abundant number, since it is smaller than the sum of its proper divisors (151171482).

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

135185766 is a wasteful number, since it uses less digits than its factorization.

135185766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14716.

The product of its digits is 151200, while the sum is 42.

The square root of 135185766 is about 11626.9413862804. The cubic root of 135185766 is about 513.2279764477.

The spelling of 135185766 in words is "one hundred thirty-five million, one hundred eighty-five thousand, seven hundred sixty-six".