134471137665 has 16 divisors (see below), whose sum is σ = 215158982976. Its totient is φ = 71716219200.

The previous prime is 134471137663. The next prime is 134471137673. The reversal of 134471137665 is 566731174431.

It is not a de Polignac number, because 134471137665 - 2¹ = 134471137663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134471137663) 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, 768675 + ... + 927255.

It is an arithmetic number, because the mean of its divisors is an integer number (13447436436).

Almost surely, 2^134471137665 is an apocalyptic number.

134471137665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134471137665 is a deficient number, since it is larger than the sum of its proper divisors (80687845311).

134471137665 is a wasteful number, since it uses less digits than its factorization.

134471137665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215120.

The product of its digits is 1270080, while the sum is 48.

The spelling of 134471137665 in words is "one hundred thirty-four billion, four hundred seventy-one million, one hundred thirty-seven thousand, six hundred sixty-five".