134638047040 has 112 divisors (see below), whose sum is σ = 387961339392. Its totient is φ = 43446214656.

The previous prime is 134638047001. The next prime is 134638047041. The reversal of 134638047040 is 40740836431.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 134638046984 and 134638047002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134638047041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729752 + ... + 1805911.

Almost surely, 2^134638047040 is an apocalyptic number.

134638047040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134638047040 is an abundant number, since it is smaller than the sum of its proper divisors (253323292352).

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

134638047040 is a wasteful number, since it uses less digits than its factorization.

134638047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535704 (or 3535694 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 134638047040 in words is "one hundred thirty-four billion, six hundred thirty-eight million, forty-seven thousand, forty".