134340421401 has 20 divisors (see below), whose sum is σ = 209406650112. Its totient is φ = 85666354488.

The previous prime is 134340421379. The next prime is 134340421417. The reversal of 134340421401 is 104124043431.

134340421401 is a `hidden beast` number, since 1 + 3 + 43 + 404 + 214 + 0 + 1 = 666.

It is not a de Polignac number, because 134340421401 - 2¹⁰ = 134340420377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (134340423401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36053001 + ... + 36056726.

Almost surely, 2^134340421401 is an apocalyptic number.

It is an amenable number.

134340421401 is a deficient number, since it is larger than the sum of its proper divisors (75066228711).

134340421401 is an equidigital number, since it uses as much as digits as its factorization.

134340421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72109762 (or 72109753 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 134340421401 its reverse (104124043431), we get a palindrome (238464464832).

The spelling of 134340421401 in words is "one hundred thirty-four billion, three hundred forty million, four hundred twenty-one thousand, four hundred one".