134131477 has 2 divisors, whose sum is σ = 134131478. Its totient is φ = 134131476.

The previous prime is 134131471. The next prime is 134131531. The reversal of 134131477 is 774131431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 12117361 = 11046^2 + 3481^2 .

It is a cyclic number.

It is not a de Polignac number, because 134131477 - 2¹⁵ = 134098709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134131471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67065738 + 67065739.

It is an arithmetic number, because the mean of its divisors is an integer number (67065739).

Almost surely, 2^134131477 is an apocalyptic number.

It is an amenable number.

134131477 is a deficient number, since it is larger than the sum of its proper divisors (1).

134131477 is an equidigital number, since it uses as much as digits as its factorization.

134131477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 134131477 is about 11581.5144519186. The cubic root of 134131477 is about 511.8903026808.

The spelling of 134131477 in words is "one hundred thirty-four million, one hundred thirty-one thousand, four hundred seventy-seven".