134421123986 has 8 divisors (see below), whose sum is σ = 201635373900. Its totient is φ = 67209332688.

The previous prime is 134421123983. The next prime is 134421124051. The reversal of 134421123986 is 689321124431.

It can be written as a sum of positive squares in 2 ways, for example, as 130334718361 + 4086405625 = 361019^2 + 63925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (134421123983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471281 + ... + 700676.

Almost surely, 2^134421123986 is an apocalyptic number.

134421123986 is a deficient number, since it is larger than the sum of its proper divisors (67214249914).

134421123986 is a wasteful number, since it uses less digits than its factorization.

134421123986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229308.

The product of its digits is 248832, while the sum is 44.

The spelling of 134421123986 in words is "one hundred thirty-four billion, four hundred twenty-one million, one hundred twenty-three thousand, nine hundred eighty-six".