135381072 has 40 divisors (see below), whose sum is σ = 351227520. Its totient is φ = 44934400.

The previous prime is 135381053. The next prime is 135381073. The reversal of 135381072 is 270183531.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135381073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5572 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (8780688).

Almost surely, 2^135381072 is an apocalyptic number.

135381072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135381072 is an abundant number, since it is smaller than the sum of its proper divisors (215846448).

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

135381072 is a wasteful number, since it uses less digits than its factorization.

135381072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051 (or 12045 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 135381072 is about 11635.3372104121. The cubic root of 135381072 is about 513.4750149575.

The spelling of 135381072 in words is "one hundred thirty-five million, three hundred eighty-one thousand, seventy-two".