134257681844 has 192 divisors, whose sum is σ = 291881318400. Its totient is φ = 53193369600.

The previous prime is 134257681777. The next prime is 134257681847. The reversal of 134257681844 is 448186752431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134257681847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 280287197 + ... + 280287675.

It is an arithmetic number, because the mean of its divisors is an integer number (1520215200).

Almost surely, 2^134257681844 is an apocalyptic number.

It is an amenable number.

134257681844 is an abundant number, since it is smaller than the sum of its proper divisors (157623636556).

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

134257681844 is a wasteful number, since it uses less digits than its factorization.

134257681844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 53.

The spelling of 134257681844 in words is "one hundred thirty-four billion, two hundred fifty-seven million, six hundred eighty-one thousand, eight hundred forty-four".