134252161 has 2 divisors, whose sum is σ = 134252162. Its totient is φ = 134252160.

The previous prime is 134252159. The next prime is 134252197. The reversal of 134252161 is 161252431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131790400 + 2461761 = 11480^2 + 1569^2 .

It is a cyclic number.

It is not a de Polignac number, because 134252161 - 2¹ = 134252159 is a prime.

Together with 134252159, it forms a pair of twin primes.

It is equal to p_7605421 and since 134252161 and 7605421 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (134252561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67126080 + 67126081.

It is an arithmetic number, because the mean of its divisors is an integer number (67126081).

Almost surely, 2^134252161 is an apocalyptic number.

It is an amenable number.

134252161 is a deficient number, since it is larger than the sum of its proper divisors (1).

134252161 is an equidigital number, since it uses as much as digits as its factorization.

134252161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 134252161 is about 11586.7234799144. The cubic root of 134252161 is about 512.0437800800.

The spelling of 134252161 in words is "one hundred thirty-four million, two hundred fifty-two thousand, one hundred sixty-one".