134861269 has 2 divisors, whose sum is σ = 134861270. Its totient is φ = 134861268.

The previous prime is 134861227. The next prime is 134861291. The reversal of 134861269 is 962168431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134792100 + 69169 = 11610^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 134861269 - 2⁷ = 134861141 is a prime.

It is a super-2 number, since 2×134861269² = 36375123752580722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134861869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67430634 + 67430635.

It is an arithmetic number, because the mean of its divisors is an integer number (67430635).

Almost surely, 2^134861269 is an apocalyptic number.

It is an amenable number.

134861269 is a deficient number, since it is larger than the sum of its proper divisors (1).

134861269 is an equidigital number, since it uses as much as digits as its factorization.

134861269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 134861269 is about 11612.9784723817. The cubic root of 134861269 is about 512.8170003138.

The spelling of 134861269 in words is "one hundred thirty-four million, eight hundred sixty-one thousand, two hundred sixty-nine".