134621642792 has 192 divisors, whose sum is σ = 329663520000. Its totient is φ = 50361772032.

The previous prime is 134621642791. The next prime is 134621642807. The reversal of 134621642792 is 297246126431.

It is not an unprimeable number, because it can be changed into a prime (134621642791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19369334 + ... + 19376282.

It is an arithmetic number, because the mean of its divisors is an integer number (1716997500).

Almost surely, 2^134621642792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134621642792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164831760000).

134621642792 is an abundant number, since it is smaller than the sum of its proper divisors (195041877208).

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

134621642792 is a wasteful number, since it uses less digits than its factorization.

134621642792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100 (or 7083 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The spelling of 134621642792 in words is "one hundred thirty-four billion, six hundred twenty-one million, six hundred forty-two thousand, seven hundred ninety-two".