135140312 has 16 divisors (see below), whose sum is σ = 266724600. Its totient is φ = 64013760.

The previous prime is 135140311. The next prime is 135140321. The reversal of 135140312 is 213041531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135140311) 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, 444389 + ... + 444692.

Almost surely, 2^135140312 is an apocalyptic number.

It is an amenable number.

135140312 is a deficient number, since it is larger than the sum of its proper divisors (131584288).

135140312 is a wasteful number, since it uses less digits than its factorization.

135140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889106 (or 889102 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 135140312 is about 11624.9865376266. The cubic root of 135140312 is about 513.1704484988.

Adding to 135140312 its reverse (213041531), we get a palindrome (348181843).

The spelling of 135140312 in words is "one hundred thirty-five million, one hundred forty thousand, three hundred twelve".