134421344554265 has 4 divisors (see below), whose sum is σ = 161305613465124. Its totient is φ = 107537075643408.

The previous prime is 134421344554243. The next prime is 134421344554307. The reversal of 134421344554265 is 562455443124431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23553754074841 + 110867590479424 = 4853221^2 + 10529368^2 .

It is a cyclic number.

It is not a de Polignac number, because 134421344554265 - 2⁸ = 134421344554009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13442134455422 + ... + 13442134455431.

It is an arithmetic number, because the mean of its divisors is an integer number (40326403366281).

Almost surely, 2^{134421344554265} is an apocalyptic number.

It is an amenable number.

134421344554265 is a deficient number, since it is larger than the sum of its proper divisors (26884268910859).

134421344554265 is an equidigital number, since it uses as much as digits as its factorization.

134421344554265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884268910858.

The product of its digits is 27648000, while the sum is 53.

Adding to 134421344554265 its reverse (562455443124431), we get a palindrome (696876787678696).

The spelling of 134421344554265 in words is "one hundred thirty-four trillion, four hundred twenty-one billion, three hundred forty-four million, five hundred fifty-four thousand, two hundred sixty-five".