134620672644 has 36 divisors (see below), whose sum is σ = 346058796720. Its totient is φ = 44112988080.

The previous prime is 134620672643. The next prime is 134620672673. The reversal of 134620672644 is 446276026431.

134620672644 is a `hidden beast` number, since 13 + 4 + 620 + 6 + 7 + 2 + 6 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 134620672644.

It is not an unprimeable number, because it can be changed into a prime (134620672643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31688242 + ... + 31692489.

Almost surely, 2^134620672644 is an apocalyptic number.

It is an amenable number.

134620672644 is an abundant number, since it is smaller than the sum of its proper divisors (211438124076).

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

134620672644 is a wasteful number, since it uses less digits than its factorization.

134620672644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63380800 (or 63380795 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 134620672644 in words is "one hundred thirty-four billion, six hundred twenty million, six hundred seventy-two thousand, six hundred forty-four".