134421120265 has 16 divisors (see below), whose sum is σ = 165263656320. Its totient is φ = 104929251840.

The previous prime is 134421120221. The next prime is 134421120271. The reversal of 134421120265 is 562021124431.

It is not a de Polignac number, because 134421120265 - 2¹⁵ = 134421087497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917375 + ... + 1986244.

It is an arithmetic number, because the mean of its divisors is an integer number (10328978520).

Almost surely, 2^134421120265 is an apocalyptic number.

It is an amenable number.

134421120265 is a deficient number, since it is larger than the sum of its proper divisors (30842536055).

134421120265 is an equidigital number, since it uses as much as digits as its factorization.

134421120265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903792.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 134421120265 its reverse (562021124431), we get a palindrome (696442244696).

The spelling of 134421120265 in words is "one hundred thirty-four billion, four hundred twenty-one million, one hundred twenty thousand, two hundred sixty-five".