135531213504 has 56 divisors (see below), whose sum is σ = 359956608000. Its totient is φ = 45005278464.

The previous prime is 135531213479. The next prime is 135531213539. The reversal of 135531213504 is 405312135531.

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 7 ways as a sum of consecutive naturals, for example, 1291504 + ... + 1392495.

Almost surely, 2^135531213504 is an apocalyptic number.

It is an amenable number.

135531213504 is an abundant number, since it is smaller than the sum of its proper divisors (224425394496).

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

135531213504 is a wasteful number, since it uses less digits than its factorization.

135531213504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684277 (or 2684267 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 135531213504 in words is "one hundred thirty-five billion, five hundred thirty-one million, two hundred thirteen thousand, five hundred four".