134993253 has 8 divisors (see below), whose sum is σ = 181408768. Its totient is φ = 89286624.

The previous prime is 134993249. The next prime is 134993293. The reversal of 134993253 is 352399431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134993253 - 2² = 134993249 is a prime.

It is a super-3 number, since 3×134993253³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134993203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176776 + ... + 177537.

It is an arithmetic number, because the mean of its divisors is an integer number (22676096).

Almost surely, 2^134993253 is an apocalyptic number.

It is an amenable number.

134993253 is a deficient number, since it is larger than the sum of its proper divisors (46415515).

134993253 is a wasteful number, since it uses less digits than its factorization.

134993253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354443.

The product of its digits is 87480, while the sum is 39.

The square root of 134993253 is about 11618.6596903429. The cubic root of 134993253 is about 512.9842377808.

The spelling of 134993253 in words is "one hundred thirty-four million, nine hundred ninety-three thousand, two hundred fifty-three".