134220253 has 4 divisors (see below), whose sum is σ = 142115580. Its totient is φ = 126324928.

The previous prime is 134220239. The next prime is 134220257. The reversal of 134220253 is 352022431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 352022431 = 419 ⋅840149.

It can be written as a sum of positive squares in 2 ways, for example, as 55756089 + 78464164 = 7467^2 + 8858^2 .

It is a cyclic number.

It is not a de Polignac number, because 134220253 - 2⁹ = 134219741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134220257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3947638 + ... + 3947671.

It is an arithmetic number, because the mean of its divisors is an integer number (35528895).

Almost surely, 2^134220253 is an apocalyptic number.

It is an amenable number.

134220253 is a deficient number, since it is larger than the sum of its proper divisors (7895327).

134220253 is an equidigital number, since it uses as much as digits as its factorization.

134220253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895326.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 134220253 is about 11585.3464773394. The cubic root of 134220253 is about 512.0032106834.

Adding to 134220253 its reverse (352022431), we get a palindrome (486242684).

The spelling of 134220253 in words is "one hundred thirty-four million, two hundred twenty thousand, two hundred fifty-three".