134105640653 has 4 divisors (see below), whose sum is σ = 135292416348. Its totient is φ = 132918864960.

The previous prime is 134105640623. The next prime is 134105640719. The reversal of 134105640653 is 356046501431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356046501431 = 19 ⋅18739289549.

It can be written as a sum of positive squares in 2 ways, for example, as 630863689 + 133474776964 = 25117^2 + 365342^2 .

It is a cyclic number.

It is not a de Polignac number, because 134105640653 - 2⁸ = 134105640397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134105640623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593387678 + ... + 593387903.

It is an arithmetic number, because the mean of its divisors is an integer number (33823104087).

Almost surely, 2^134105640653 is an apocalyptic number.

It is an amenable number.

134105640653 is a deficient number, since it is larger than the sum of its proper divisors (1186775695).

134105640653 is a wasteful number, since it uses less digits than its factorization.

134105640653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186775694.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 134105640653 in words is "one hundred thirty-four billion, one hundred five million, six hundred forty thousand, six hundred fifty-three".