135412089638 has 32 divisors (see below), whose sum is σ = 234408230400. Its totient is φ = 57468216960.

The previous prime is 135412089623. The next prime is 135412089649. The reversal of 135412089638 is 836980214531.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 472670 + ... + 703022.

It is an arithmetic number, because the mean of its divisors is an integer number (7325257200).

Almost surely, 2^135412089638 is an apocalyptic number.

135412089638 is a deficient number, since it is larger than the sum of its proper divisors (98996140762).

135412089638 is a wasteful number, since it uses less digits than its factorization.

135412089638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230772.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 135412089638 in words is "one hundred thirty-five billion, four hundred twelve million, eighty-nine thousand, six hundred thirty-eight".