134207457 has 8 divisors (see below), whose sum is σ = 179216640. Its totient is φ = 89334960.

The previous prime is 134207443. The next prime is 134207459. The reversal of 134207457 is 754702431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134207457 - 2⁷ = 134207329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134207459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31857 + ... + 35822.

It is an arithmetic number, because the mean of its divisors is an integer number (22402080).

Almost surely, 2^134207457 is an apocalyptic number.

It is an amenable number.

134207457 is a deficient number, since it is larger than the sum of its proper divisors (45009183).

134207457 is an equidigital number, since it uses as much as digits as its factorization.

134207457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68343.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 134207457 is about 11584.7942148318. The cubic root of 134207457 is about 511.9869394150.

Adding to 134207457 its reverse (754702431), we get a palindrome (888909888).

The spelling of 134207457 in words is "one hundred thirty-four million, two hundred seven thousand, four hundred fifty-seven".