134404412121 has 24 divisors (see below), whose sum is σ = 226594677504. Its totient is φ = 75168423360.

The previous prime is 134404412117. The next prime is 134404412173. The reversal of 134404412121 is 121214404431.

134404412121 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 0 + 441 + 212 + 1 = 666.

It is not a de Polignac number, because 134404412121 - 2² = 134404412117 is a prime.

It is a super-2 number, since 2×134404412121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134404412101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22692820 + ... + 22698741.

It is an arithmetic number, because the mean of its divisors is an integer number (9441444896).

Almost surely, 2^134404412121 is an apocalyptic number.

It is an amenable number.

134404412121 is a deficient number, since it is larger than the sum of its proper divisors (92190265383).

134404412121 is a wasteful number, since it uses less digits than its factorization.

134404412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45391621 (or 45391618 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 134404412121 its reverse (121214404431), we get a palindrome (255618816552).

The spelling of 134404412121 in words is "one hundred thirty-four billion, four hundred four million, four hundred twelve thousand, one hundred twenty-one".