134563257 has 6 divisors (see below), whose sum is σ = 194369162. Its totient is φ = 89708832.

The previous prime is 134563249. The next prime is 134563291. The reversal of 134563257 is 752365431.

134563257 is a `hidden beast` number, since 1 + 345 + 63 + 257 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133541136 + 1022121 = 11556^2 + 1011^2 .

It is not a de Polignac number, because 134563257 - 2³ = 134563249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134563357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7475728 + ... + 7475745.

Almost surely, 2^134563257 is an apocalyptic number.

It is an amenable number.

134563257 is a deficient number, since it is larger than the sum of its proper divisors (59805905).

134563257 is a wasteful number, since it uses less digits than its factorization.

134563257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951479 (or 14951476 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 134563257 is about 11600.1403870815. The cubic root of 134563257 is about 512.4389863515.

It can be divided in two parts, 134 and 563257, that added together give a triangular number (563391 = T₁₀₆₁).

The spelling of 134563257 in words is "one hundred thirty-four million, five hundred sixty-three thousand, two hundred fifty-seven".