134244157 has 2 divisors, whose sum is σ = 134244158. Its totient is φ = 134244156.

The previous prime is 134244133. The next prime is 134244179. The reversal of 134244157 is 751442431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131125401 + 3118756 = 11451^2 + 1766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134244157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134244107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67122078 + 67122079.

It is an arithmetic number, because the mean of its divisors is an integer number (67122079).

Almost surely, 2^134244157 is an apocalyptic number.

It is an amenable number.

134244157 is a deficient number, since it is larger than the sum of its proper divisors (1).

134244157 is an equidigital number, since it uses as much as digits as its factorization.

134244157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 134244157 is about 11586.3780794517. The cubic root of 134244157 is about 512.0336040058.

Adding to 134244157 its reverse (751442431), we get a palindrome (885686588).

The spelling of 134244157 in words is "one hundred thirty-four million, two hundred forty-four thousand, one hundred fifty-seven".