134421640013 has 8 divisors (see below), whose sum is σ = 142041580800. Its totient is φ = 126949659408.

The previous prime is 134421640009. The next prime is 134421640033. The reversal of 134421640013 is 310046124431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134421640013 - 2² = 134421640009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134421640033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36988178 + ... + 36991811.

It is an arithmetic number, because the mean of its divisors is an integer number (17755197600).

Almost surely, 2^134421640013 is an apocalyptic number.

It is an amenable number.

134421640013 is a deficient number, since it is larger than the sum of its proper divisors (7619940787).

134421640013 is an equidigital number, since it uses as much as digits as its factorization.

134421640013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73980091.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 134421640013 its reverse (310046124431), we get a palindrome (444467764444).

The spelling of 134421640013 in words is "one hundred thirty-four billion, four hundred twenty-one million, six hundred forty thousand, thirteen".