134121004168 has 8 divisors (see below), whose sum is σ = 251476882830. Its totient is φ = 67060502080.

The previous prime is 134121004159. The next prime is 134121004169. The reversal of 134121004168 is 861400121431.

It can be written as a sum of positive squares in only one way, i.e., 118571412964 + 15549591204 = 344342^2 + 124698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (134121004169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8382562753 + ... + 8382562768.

Almost surely, 2^134121004168 is an apocalyptic number.

It is an amenable number.

134121004168 is a deficient number, since it is larger than the sum of its proper divisors (117355878662).

134121004168 is a wasteful number, since it uses less digits than its factorization.

134121004168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16765125527 (or 16765125523 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 134121004168 its reverse (861400121431), we get a palindrome (995521125599).

The spelling of 134121004168 in words is "one hundred thirty-four billion, one hundred twenty-one million, four thousand, one hundred sixty-eight".