134830457 has 4 divisors (see below), whose sum is σ = 134884596. Its totient is φ = 134776320.

The previous prime is 134830453. The next prime is 134830459. The reversal of 134830457 is 754038431.

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 57320041 + 77510416 = 7571^2 + 8804^2 .

It is a cyclic number.

It is not a de Polignac number, because 134830457 - 2² = 134830453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134830453) 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, 23144 + ... + 28377.

It is an arithmetic number, because the mean of its divisors is an integer number (33721149).

Almost surely, 2^134830457 is an apocalyptic number.

It is an amenable number.

134830457 is a deficient number, since it is larger than the sum of its proper divisors (54139).

134830457 is an equidigital number, since it uses as much as digits as its factorization.

134830457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54138.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 134830457 is about 11611.6517774174. The cubic root of 134830457 is about 512.7779425941. Note that the first 3 decimals are identical.

Adding to 134830457 its reverse (754038431), we get a palindrome (888868888).

The spelling of 134830457 in words is "one hundred thirty-four million, eight hundred thirty thousand, four hundred fifty-seven".