134731609913 has 2 divisors, whose sum is σ = 134731609914. Its totient is φ = 134731609912.

The previous prime is 134731609847. The next prime is 134731609927. The reversal of 134731609913 is 319906137431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113593939369 + 21137670544 = 337037^2 + 145388^2 .

It is a cyclic number.

It is not a de Polignac number, because 134731609913 - 2⁸ = 134731609657 is a prime.

It is not a weakly prime, because it can be changed into another prime (134731609933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67365804956 + 67365804957.

It is an arithmetic number, because the mean of its divisors is an integer number (67365804957).

Almost surely, 2^134731609913 is an apocalyptic number.

It is an amenable number.

134731609913 is a deficient number, since it is larger than the sum of its proper divisors (1).

134731609913 is an equidigital number, since it uses as much as digits as its factorization.

134731609913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 47.

The spelling of 134731609913 in words is "one hundred thirty-four billion, seven hundred thirty-one million, six hundred nine thousand, nine hundred thirteen".