134412566640 has 80 divisors (see below), whose sum is σ = 454558870656. Its totient is φ = 32584864000.

The previous prime is 134412566549. The next prime is 134412566653. The reversal of 134412566640 is 46665214431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 134412566592 and 134412566601.

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, 25454286 + ... + 25459565.

Almost surely, 2^134412566640 is an apocalyptic number.

134412566640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134412566640 is an abundant number, since it is smaller than the sum of its proper divisors (320146304016).

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

134412566640 is a wasteful number, since it uses less digits than its factorization.

134412566640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50913878 (or 50913872 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 134412566640 in words is "one hundred thirty-four billion, four hundred twelve million, five hundred sixty-six thousand, six hundred forty".