135491312 has 20 divisors (see below), whose sum is σ = 286379736. Its totient is φ = 61586880.

The previous prime is 135491311. The next prime is 135491327. The reversal of 135491312 is 213194531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135491311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384743 + ... + 385094.

Almost surely, 2^135491312 is an apocalyptic number.

It is an amenable number.

135491312 is an abundant number, since it is smaller than the sum of its proper divisors (150888424).

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

135491312 is a wasteful number, since it uses less digits than its factorization.

135491312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769856 (or 769850 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 135491312 is about 11640.0735392866. The cubic root of 135491312 is about 513.6143503591.

The spelling of 135491312 in words is "one hundred thirty-five million, four hundred ninety-one thousand, three hundred twelve".