134231477 has 2 divisors, whose sum is σ = 134231478. Its totient is φ = 134231476.

The previous prime is 134231467. The next prime is 134231497. The reversal of 134231477 is 774132431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77545636 + 56685841 = 8806^2 + 7529^2 .

It is a cyclic number.

It is not a de Polignac number, because 134231477 - 2²⁰ = 133182901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134231407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67115738 + 67115739.

It is an arithmetic number, because the mean of its divisors is an integer number (67115739).

Almost surely, 2^134231477 is an apocalyptic number.

It is an amenable number.

134231477 is a deficient number, since it is larger than the sum of its proper divisors (1).

134231477 is an equidigital number, since it uses as much as digits as its factorization.

134231477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 134231477 is about 11585.8308722335. The cubic root of 134231477 is about 512.0174821606.

The spelling of 134231477 in words is "one hundred thirty-four million, two hundred thirty-one thousand, four hundred seventy-seven".