134395057 has 2 divisors, whose sum is σ = 134395058. Its totient is φ = 134395056.

The previous prime is 134395039. The next prime is 134395091. The reversal of 134395057 is 750593431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128165041 + 6230016 = 11321^2 + 2496^2 .

It is a cyclic number.

It is not a de Polignac number, because 134395057 - 2¹¹ = 134393009 is a prime.

It is not a weakly prime, because it can be changed into another prime (134390057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67197528 + 67197529.

It is an arithmetic number, because the mean of its divisors is an integer number (67197529).

Almost surely, 2^134395057 is an apocalyptic number.

It is an amenable number.

134395057 is a deficient number, since it is larger than the sum of its proper divisors (1).

134395057 is an equidigital number, since it uses as much as digits as its factorization.

134395057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 134395057 is about 11592.8882078626. Note that the first 3 decimals coincide. The cubic root of 134395057 is about 512.2253862525.

It can be divided in two parts, 13439 and 5057, that added together give a square (18496 = 136²).

The spelling of 134395057 in words is "one hundred thirty-four million, three hundred ninety-five thousand, fifty-seven".