134450645249 has 2 divisors, whose sum is σ = 134450645250. Its totient is φ = 134450645248.

The previous prime is 134450645237. The next prime is 134450645257. The reversal of 134450645249 is 942546054431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134390427649 + 60217600 = 366593^2 + 7760^2 .

It is a cyclic number.

It is not a de Polignac number, because 134450645249 - 2⁴ = 134450645233 is a prime.

It is not a weakly prime, because it can be changed into another prime (134450645209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67225322624 + 67225322625.

It is an arithmetic number, because the mean of its divisors is an integer number (67225322625).

Almost surely, 2^134450645249 is an apocalyptic number.

It is an amenable number.

134450645249 is a deficient number, since it is larger than the sum of its proper divisors (1).

134450645249 is an equidigital number, since it uses as much as digits as its factorization.

134450645249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 134450645249 in words is "one hundred thirty-four billion, four hundred fifty million, six hundred forty-five thousand, two hundred forty-nine".