135939507532 has 12 divisors (see below), whose sum is σ = 240203790736. Its totient is φ = 67309853040.

The previous prime is 135939507511. The next prime is 135939507541. The reversal of 135939507532 is 235705939531.

It is a self number, because there is not a number n which added to its sum of digits gives 135939507532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164974719 + ... + 164975542.

Almost surely, 2^135939507532 is an apocalyptic number.

It is an amenable number.

135939507532 is a deficient number, since it is larger than the sum of its proper divisors (104264283204).

135939507532 is a wasteful number, since it uses less digits than its factorization.

135939507532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329950368 (or 329950366 counting only the distinct ones).

The product of its (nonzero) digits is 3827250, while the sum is 52.

The spelling of 135939507532 in words is "one hundred thirty-five billion, nine hundred thirty-nine million, five hundred seven thousand, five hundred thirty-two".