134725690873 has 2 divisors, whose sum is σ = 134725690874. Its totient is φ = 134725690872.

The previous prime is 134725690861. The next prime is 134725690877. The reversal of 134725690873 is 378096527431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125792227584 + 8933463289 = 354672^2 + 94517^2 .

It is a cyclic number.

It is not a de Polignac number, because 134725690873 - 2⁹ = 134725690361 is a prime.

It is not a weakly prime, because it can be changed into another prime (134725690877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67362845436 + 67362845437.

It is an arithmetic number, because the mean of its divisors is an integer number (67362845437).

It is a 1-persistent number, because it is pandigital, but 2⋅134725690873 = 269451381746 is not.

Almost surely, 2^134725690873 is an apocalyptic number.

It is an amenable number.

134725690873 is a deficient number, since it is larger than the sum of its proper divisors (1).

134725690873 is an equidigital number, since it uses as much as digits as its factorization.

134725690873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 134725690873 in words is "one hundred thirty-four billion, seven hundred twenty-five million, six hundred ninety thousand, eight hundred seventy-three".