135185088 has 112 divisors (see below), whose sum is σ = 384048000. Its totient is φ = 41816064.

The previous prime is 135185069. The next prime is 135185093. The reversal of 135185088 is 880581531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270663 + ... + 271161.

It is an arithmetic number, because the mean of its divisors is an integer number (3429000).

Almost surely, 2^135185088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135185088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192024000).

135185088 is an abundant number, since it is smaller than the sum of its proper divisors (248862912).

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

135185088 is a wasteful number, since it uses less digits than its factorization.

135185088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 135185088 is about 11626.9122298227. The cubic root of 135185088 is about 513.2271184453.

The spelling of 135185088 in words is "one hundred thirty-five million, one hundred eighty-five thousand, eighty-eight".