134903808723393 has 24 divisors (see below), whose sum is σ = 195812843829096. Its totient is φ = 89497431878400.

The previous prime is 134903808723373. The next prime is 134903808723419. The reversal of 134903808723393 is 393327808309431.

134903808723393 is a `hidden beast` number, since 1 + 3 + 4 + 90 + 3 + 80 + 87 + 2 + 3 + 393 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 49932708750864 + 84971099972529 = 7066308^2 + 9217977^2 .

It is not a de Polignac number, because 134903808723393 - 2¹⁰ = 134903808722369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134903808723393.

It is not an unprimeable number, because it can be changed into a prime (134903808723373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33318538 + ... + 37147443.

It is an arithmetic number, because the mean of its divisors is an integer number (8158868492879).

Almost surely, 2^{134903808723393} is an apocalyptic number.

It is an amenable number.

134903808723393 is a deficient number, since it is larger than the sum of its proper divisors (60909035105703).

134903808723393 is a wasteful number, since it uses less digits than its factorization.

134903808723393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70467025 (or 70467022 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 134903808723393 in words is "one hundred thirty-four trillion, nine hundred three billion, eight hundred eight million, seven hundred twenty-three thousand, three hundred ninety-three".