134651477 has 2 divisors, whose sum is σ = 134651478. Its totient is φ = 134651476.

The previous prime is 134651467. The next prime is 134651479. The reversal of 134651477 is 774156431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 63856081 = 8414^2 + 7991^2 .

It is an emirp because it is prime and its reverse (774156431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134651477 is a prime.

Together with 134651479, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134651477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134651479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67325738 + 67325739.

It is an arithmetic number, because the mean of its divisors is an integer number (67325739).

Almost surely, 2^134651477 is an apocalyptic number.

It is an amenable number.

134651477 is a deficient number, since it is larger than the sum of its proper divisors (1).

134651477 is an equidigital number, since it uses as much as digits as its factorization.

134651477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 134651477 is about 11603.9423042344. The cubic root of 134651477 is about 512.5509473048.

The spelling of 134651477 in words is "one hundred thirty-four million, six hundred fifty-one thousand, four hundred seventy-seven".