134166251 has 2 divisors, whose sum is σ = 134166252. Its totient is φ = 134166250.

The previous prime is 134166211. The next prime is 134166269. The reversal of 134166251 is 152661431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134166251 - 2⁶ = 134166187 is a prime.

It is not a weakly prime, because it can be changed into another prime (134166211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67083125 + 67083126.

It is an arithmetic number, because the mean of its divisors is an integer number (67083126).

Almost surely, 2^134166251 is an apocalyptic number.

134166251 is a deficient number, since it is larger than the sum of its proper divisors (1).

134166251 is an equidigital number, since it uses as much as digits as its factorization.

134166251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 134166251 is about 11583.0156263384. The cubic root of 134166251 is about 511.9345352396.

The spelling of 134166251 in words is "one hundred thirty-four million, one hundred sixty-six thousand, two hundred fifty-one".