134051261 has 2 divisors, whose sum is σ = 134051262. Its totient is φ = 134051260.

The previous prime is 134051231. The next prime is 134051293. The reversal of 134051261 is 162150431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120582361 + 13468900 = 10981^2 + 3670^2 .

It is an emirp because it is prime and its reverse (162150431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134051261 - 2¹⁰ = 134050237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134051201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67025630 + 67025631.

It is an arithmetic number, because the mean of its divisors is an integer number (67025631).

Almost surely, 2^134051261 is an apocalyptic number.

It is an amenable number.

134051261 is a deficient number, since it is larger than the sum of its proper divisors (1).

134051261 is an equidigital number, since it uses as much as digits as its factorization.

134051261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 134051261 is about 11578.0508290472. The cubic root of 134051261 is about 511.7882386918.

The spelling of 134051261 in words is "one hundred thirty-four million, fifty-one thousand, two hundred sixty-one".