134642253 has 16 divisors (see below), whose sum is σ = 187608960. Its totient is φ = 85730304.

The previous prime is 134642243. The next prime is 134642279. The reversal of 134642253 is 352246431.

It is not a de Polignac number, because 134642253 - 2¹⁸ = 134380109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134642253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134642213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70333 + ... + 72221.

It is an arithmetic number, because the mean of its divisors is an integer number (11725560).

Almost surely, 2^134642253 is an apocalyptic number.

It is an amenable number.

134642253 is a deficient number, since it is larger than the sum of its proper divisors (52966707).

134642253 is a wasteful number, since it uses less digits than its factorization.

134642253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its digits is 17280, while the sum is 30.

The square root of 134642253 is about 11603.5448462959. The cubic root of 134642253 is about 512.5392433166.

Adding to 134642253 its reverse (352246431), we get a palindrome (486888684).

The spelling of 134642253 in words is "one hundred thirty-four million, six hundred forty-two thousand, two hundred fifty-three".