134437844257 has 16 divisors (see below), whose sum is σ = 140416727040. Its totient is φ = 128549256192.

The previous prime is 134437844231. The next prime is 134437844293. The reversal of 134437844257 is 752448734431.

It is a cyclic number.

It is not a de Polignac number, because 134437844257 - 2¹⁹ = 134437319969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134437844207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17071873 + ... + 17079745.

It is an arithmetic number, because the mean of its divisors is an integer number (8776045440).

Almost surely, 2^134437844257 is an apocalyptic number.

It is an amenable number.

134437844257 is a deficient number, since it is larger than the sum of its proper divisors (5978882783).

134437844257 is a wasteful number, since it uses less digits than its factorization.

134437844257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13512.

The product of its digits is 9031680, while the sum is 52.

The spelling of 134437844257 in words is "one hundred thirty-four billion, four hundred thirty-seven million, eight hundred forty-four thousand, two hundred fifty-seven".