135158012 has 24 divisors (see below), whose sum is σ = 258415920. Its totient is φ = 61343360.

The previous prime is 135158011. The next prime is 135158027. The reversal of 135158012 is 210851531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135158011) 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, 33698 + ... + 37494.

It is an arithmetic number, because the mean of its divisors is an integer number (10767330).

Almost surely, 2^135158012 is an apocalyptic number.

It is an amenable number.

135158012 is a deficient number, since it is larger than the sum of its proper divisors (123257908).

135158012 is a wasteful number, since it uses less digits than its factorization.

135158012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4619 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 135158012 is about 11625.7478039049. The cubic root of 135158012 is about 513.1928516843.

The spelling of 135158012 in words is "one hundred thirty-five million, one hundred fifty-eight thousand, twelve".