135938088 has 224 divisors, whose sum is σ = 451715040. Its totient is φ = 37791360.

The previous prime is 135938071. The next prime is 135938123. The reversal of 135938088 is 880839531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 833895 + ... + 834057.

It is an arithmetic number, because the mean of its divisors is an integer number (2016585).

Almost surely, 2^135938088 is an apocalyptic number.

135938088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135938088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225857520).

135938088 is an abundant number, since it is smaller than the sum of its proper divisors (315776952).

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

135938088 is a wasteful number, since it uses less digits than its factorization.

135938088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 135938088 is about 11659.2490324206. The cubic root of 135938088 is about 514.1782704117.

The spelling of 135938088 in words is "one hundred thirty-five million, nine hundred thirty-eight thousand, eighty-eight".