135894372 has 12 divisors (see below), whose sum is σ = 317086896. Its totient is φ = 45298120.

The previous prime is 135894371. The next prime is 135894439. The reversal of 135894372 is 273498531.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (135894371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662254 + ... + 5662277.

It is an arithmetic number, because the mean of its divisors is an integer number (26423908).

Almost surely, 2^135894372 is an apocalyptic number.

135894372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135894372 is an abundant number, since it is smaller than the sum of its proper divisors (181192524).

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

135894372 is a wasteful number, since it uses less digits than its factorization.

135894372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11324538 (or 11324536 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 135894372 is about 11657.3741468652. The cubic root of 135894372 is about 514.1231467213.

The spelling of 135894372 in words is "one hundred thirty-five million, eight hundred ninety-four thousand, three hundred seventy-two".