134062778665 has 16 divisors (see below), whose sum is σ = 163323813312. Its totient is φ = 105618832704.

The previous prime is 134062778657. The next prime is 134062778701. The reversal of 134062778665 is 566877260431.

It is a cyclic number.

It is not a de Polignac number, because 134062778665 - 2³ = 134062778657 is a prime.

It is a Duffinian number.

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, 1135342 + ... + 1247848.

It is an arithmetic number, because the mean of its divisors is an integer number (10207738332).

Almost surely, 2^134062778665 is an apocalyptic number.

It is an amenable number.

134062778665 is a deficient number, since it is larger than the sum of its proper divisors (29261034647).

134062778665 is a wasteful number, since it uses less digits than its factorization.

134062778665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116136.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 134062778665 in words is "one hundred thirty-four billion, sixty-two million, seven hundred seventy-eight thousand, six hundred sixty-five".