134180257 has 6 divisors (see below), whose sum is σ = 134792034. Its totient is φ = 133570080.

The previous prime is 134180251. The next prime is 134180309. The reversal of 134180257 is 752081431.

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 32251041 = 10096^2 + 5679^2 .

It is not a de Polignac number, because 134180257 - 2¹⁹ = 133655969 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (134180251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212332 + ... + 212962.

It is an arithmetic number, because the mean of its divisors is an integer number (22465339).

Almost surely, 2^134180257 is an apocalyptic number.

It is an amenable number.

134180257 is a deficient number, since it is larger than the sum of its proper divisors (611777).

134180257 is an frugal number, since it uses more digits than its factorization.

134180257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 134180257 is about 11583.6202026828. The cubic root of 134180257 is about 511.9523487249.

The spelling of 134180257 in words is "one hundred thirty-four million, one hundred eighty thousand, two hundred fifty-seven".