135878462004 has 12 divisors (see below), whose sum is σ = 317049744704. Its totient is φ = 45292820664.

The previous prime is 135878461997. The next prime is 135878462009. The reversal of 135878462004 is 400264878531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135878462009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5661602572 + ... + 5661602595.

Almost surely, 2^135878462004 is an apocalyptic number.

It is an amenable number.

135878462004 is an abundant number, since it is smaller than the sum of its proper divisors (181171282700).

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

135878462004 is a wasteful number, since it uses less digits than its factorization.

135878462004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323205174 (or 11323205172 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 135878462004 in words is "one hundred thirty-five billion, eight hundred seventy-eight million, four hundred sixty-two thousand, four".