134406257 has 2 divisors, whose sum is σ = 134406258. Its totient is φ = 134406256.

The previous prime is 134406253. The next prime is 134406263. The reversal of 134406257 is 752604431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97634161 + 36772096 = 9881^2 + 6064^2 .

It is a cyclic number.

It is not a de Polignac number, because 134406257 - 2² = 134406253 is a prime.

It is not a weakly prime, because it can be changed into another prime (134406253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67203128 + 67203129.

It is an arithmetic number, because the mean of its divisors is an integer number (67203129).

Almost surely, 2^134406257 is an apocalyptic number.

It is an amenable number.

134406257 is a deficient number, since it is larger than the sum of its proper divisors (1).

134406257 is an equidigital number, since it uses as much as digits as its factorization.

134406257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 134406257 is about 11593.3712525736. The cubic root of 134406257 is about 512.2396148635.

The spelling of 134406257 in words is "one hundred thirty-four million, four hundred six thousand, two hundred fifty-seven".