135888984 has 192 divisors, whose sum is σ = 464855040. Its totient is φ = 34836480.

The previous prime is 135888923. The next prime is 135889021. The reversal of 135888984 is 489888531.

It is a self number, because there is not a number n which added to its sum of digits gives 135888984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703992 + ... + 704184.

It is an arithmetic number, because the mean of its divisors is an integer number (2421120).

Almost surely, 2^135888984 is an apocalyptic number.

135888984 is a gapful number since it is divisible by the number (14) 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 135888984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232427520).

135888984 is an abundant number, since it is smaller than the sum of its proper divisors (328966056).

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

135888984 is a wasteful number, since it uses less digits than its factorization.

135888984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 343 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 135888984 is about 11657.1430462185. The cubic root of 135888984 is about 514.1163519044.

The spelling of 135888984 in words is "one hundred thirty-five million, eight hundred eighty-eight thousand, nine hundred eighty-four".