135146252512 has 24 divisors (see below), whose sum is σ = 267173221392. Its totient is φ = 67292736000.

The previous prime is 135146252509. The next prime is 135146252513. The reversal of 135146252512 is 215252641531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135146252513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8754364 + ... + 8769787.

It is an arithmetic number, because the mean of its divisors is an integer number (11132217558).

Almost surely, 2^135146252512 is an apocalyptic number.

It is an amenable number.

135146252512 is a deficient number, since it is larger than the sum of its proper divisors (132026968880).

135146252512 is a wasteful number, since it uses less digits than its factorization.

135146252512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17524402 (or 17524394 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The spelling of 135146252512 in words is "one hundred thirty-five billion, one hundred forty-six million, two hundred fifty-two thousand, five hundred twelve".