134194257 has 24 divisors (see below), whose sum is σ = 201177600. Its totient is φ = 86106240.

The previous prime is 134194241. The next prime is 134194267. The reversal of 134194257 is 752491431.

It is not a de Polignac number, because 134194257 - 2⁴ = 134194241 is a prime.

It is a super-2 number, since 2×134194257² = 36016197223564098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134194217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54313 + ... + 56729.

It is an arithmetic number, because the mean of its divisors is an integer number (8382400).

Almost surely, 2^134194257 is an apocalyptic number.

It is an amenable number.

134194257 is a deficient number, since it is larger than the sum of its proper divisors (66983343).

134194257 is a wasteful number, since it uses less digits than its factorization.

134194257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653 (or 2650 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 134194257 is about 11584.2244885016. The cubic root of 134194257 is about 511.9701533403.

The spelling of 134194257 in words is "one hundred thirty-four million, one hundred ninety-four thousand, two hundred fifty-seven".