134474257 has 4 divisors (see below), whose sum is σ = 134579236. Its totient is φ = 134369280.

The previous prime is 134474231. The next prime is 134474273. The reversal of 134474257 is 752474431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98426241 + 36048016 = 9921^2 + 6004^2 .

It is a cyclic number.

It is not a de Polignac number, because 134474257 - 2¹¹ = 134472209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134474297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50544 + ... + 53137.

It is an arithmetic number, because the mean of its divisors is an integer number (33644809).

Almost surely, 2^134474257 is an apocalyptic number.

It is an amenable number.

134474257 is a deficient number, since it is larger than the sum of its proper divisors (104979).

134474257 is a wasteful number, since it uses less digits than its factorization.

134474257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104978.

The product of its digits is 94080, while the sum is 37.

The square root of 134474257 is about 11596.3035920935. The cubic root of 134474257 is about 512.3259858952.

The spelling of 134474257 in words is "one hundred thirty-four million, four hundred seventy-four thousand, two hundred fifty-seven".