134374257 has 12 divisors (see below), whose sum is σ = 202535424. Its totient is φ = 85687800.

The previous prime is 134374241. The next prime is 134374267. The reversal of 134374257 is 752473431.

134374257 is a `hidden beast` number, since 1 + 34 + 374 + 257 = 666.

It is not a de Polignac number, because 134374257 - 2⁴ = 134374241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134374267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324369 + ... + 324782.

It is an arithmetic number, because the mean of its divisors is an integer number (16877952).

Almost surely, 2^134374257 is an apocalyptic number.

It is an amenable number.

134374257 is a deficient number, since it is larger than the sum of its proper divisors (68161167).

134374257 is a wasteful number, since it uses less digits than its factorization.

134374257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649180 (or 649177 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 134374257 is about 11591.9910714251. The cubic root of 134374257 is about 512.1989595918.

The spelling of 134374257 in words is "one hundred thirty-four million, three hundred seventy-four thousand, two hundred fifty-seven".