134336413662421 has 4 divisors (see below), whose sum is σ = 134344914368832. Its totient is φ = 134327912956012.

The previous prime is 134336413662403. The next prime is 134336413662457. The reversal of 134336413662421 is 124266314633431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134336413662421 - 2¹³ = 134336413654229 is a prime.

It is a super-3 number, since 3×134336413662421³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134336413662461) 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, 4250329501 + ... + 4250361106.

It is an arithmetic number, because the mean of its divisors is an integer number (33586228592208).

Almost surely, 2^{134336413662421} is an apocalyptic number.

It is an amenable number.

134336413662421 is a deficient number, since it is larger than the sum of its proper divisors (8500706411).

134336413662421 is an equidigital number, since it uses as much as digits as its factorization.

134336413662421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500706410.

The product of its digits is 4478976, while the sum is 49.

The spelling of 134336413662421 in words is "one hundred thirty-four trillion, three hundred thirty-six billion, four hundred thirteen million, six hundred sixty-two thousand, four hundred twenty-one".