134243406415 has 32 divisors (see below), whose sum is σ = 167307669504. Its totient is φ = 103295089920.

The previous prime is 134243406397. The next prime is 134243406457. The reversal of 134243406415 is 514604342431.

It is not a de Polignac number, because 134243406415 - 2²⁹ = 133706535503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22761747 + ... + 22767643.

It is an arithmetic number, because the mean of its divisors is an integer number (5228364672).

Almost surely, 2^134243406415 is an apocalyptic number.

134243406415 is a deficient number, since it is larger than the sum of its proper divisors (33064263089).

134243406415 is a wasteful number, since it uses less digits than its factorization.

134243406415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 134243406415 its reverse (514604342431), we get a palindrome (648847748846).

The spelling of 134243406415 in words is "one hundred thirty-four billion, two hundred forty-three million, four hundred six thousand, four hundred fifteen".