135091392 has 84 divisors (see below), whose sum is σ = 368963448. Its totient is φ = 43596800.

The previous prime is 135091373. The next prime is 135091399. The reversal of 135091392 is 293190531.

It is not an unprimeable number, because it can be changed into a prime (135091399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1031167 + ... + 1031297.

It is an arithmetic number, because the mean of its divisors is an integer number (4392422).

Almost surely, 2^135091392 is an apocalyptic number.

135091392 is a gapful number since it is divisible by the number (12) 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 135091392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184481724).

135091392 is an abundant number, since it is smaller than the sum of its proper divisors (233872056).

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

135091392 is an equidigital number, since it uses as much as digits as its factorization.

135091392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 135091392 is about 11622.8822587171. The cubic root of 135091392 is about 513.1085194618.

The spelling of 135091392 in words is "one hundred thirty-five million, ninety-one thousand, three hundred ninety-two".