135000312 has 32 divisors (see below), whose sum is σ = 337830480. Its totient is φ = 44956160.

The previous prime is 135000311. The next prime is 135000329. The reversal of 135000312 is 213000531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 135000291 and 135000300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135000311) 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 7 ways as a sum of consecutive naturals, for example, 30598 + ... + 34730.

Almost surely, 2^135000312 is an apocalyptic number.

135000312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135000312 is an abundant number, since it is smaller than the sum of its proper divisors (202830168).

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

135000312 is a wasteful number, since it uses less digits than its factorization.

135000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5499 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 135000312 is about 11618.9634649568. The cubic root of 135000312 is about 512.9931791971.

Adding to 135000312 its reverse (213000531), we get a palindrome (348000843).

The spelling of 135000312 in words is "one hundred thirty-five million, three hundred twelve", and thus it is an aban number.