134191604448 has 384 divisors, whose sum is σ = 436427066880. Its totient is φ = 39771648000.

The previous prime is 134191604411. The next prime is 134191604467. The reversal of 134191604448 is 844406191431.

134191604448 is a `hidden beast` number, since 1 + 3 + 41 + 9 + 160 + 4 + 448 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122325436 + ... + 122326532.

It is an arithmetic number, because the mean of its divisors is an integer number (1136528820).

Almost surely, 2^134191604448 is an apocalyptic number.

134191604448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134191604448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218213533440).

134191604448 is an abundant number, since it is smaller than the sum of its proper divisors (302235462432).

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

134191604448 is a wasteful number, since it uses less digits than its factorization.

134191604448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

Adding to 134191604448 its reverse (844406191431), we get a palindrome (978597795879).

The spelling of 134191604448 in words is "one hundred thirty-four billion, one hundred ninety-one million, six hundred four thousand, four hundred forty-eight".