134456669 has 2 divisors, whose sum is σ = 134456670. Its totient is φ = 134456668.

The previous prime is 134456659. The next prime is 134456677. The reversal of 134456669 is 966654431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 57684025 = 8762^2 + 7595^2 .

It is a cyclic number.

It is not a de Polignac number, because 134456669 - 2⁴ = 134456653 is a prime.

It is a super-2 number, since 2×134456669² = 36157191677151122, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134456639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67228334 + 67228335.

It is an arithmetic number, because the mean of its divisors is an integer number (67228335).

Almost surely, 2^134456669 is an apocalyptic number.

It is an amenable number.

134456669 is a deficient number, since it is larger than the sum of its proper divisors (1).

134456669 is an equidigital number, since it uses as much as digits as its factorization.

134456669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 134456669 is about 11595.5452221963. The cubic root of 134456669 is about 512.3036490740.

The spelling of 134456669 in words is "one hundred thirty-four million, four hundred fifty-six thousand, six hundred sixty-nine".