134231660215 has 16 divisors (see below), whose sum is σ = 164178057600. Its totient is φ = 105326839072.

The previous prime is 134231660209. The next prime is 134231660219. The reversal of 134231660215 is 512066132431.

It is a cyclic number.

It is not a de Polignac number, because 134231660215 - 2²⁷ = 134097442487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134231660219) 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, 382885 + ... + 644254.

It is an arithmetic number, because the mean of its divisors is an integer number (10261128600).

Almost surely, 2^134231660215 is an apocalyptic number.

134231660215 is a deficient number, since it is larger than the sum of its proper divisors (29946397385).

134231660215 is a wasteful number, since it uses less digits than its factorization.

134231660215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027646.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 134231660215 its reverse (512066132431), we get a palindrome (646297792646).

The spelling of 134231660215 in words is "one hundred thirty-four billion, two hundred thirty-one million, six hundred sixty thousand, two hundred fifteen".