134121453 has 8 divisors (see below), whose sum is σ = 179926368. Its totient is φ = 88865424.

The previous prime is 134121451. The next prime is 134121457. The reversal of 134121453 is 354121431.

It is a happy number.

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

It is not a de Polignac number, because 134121453 - 2¹ = 134121451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134121451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136650 + ... + 137627.

It is an arithmetic number, because the mean of its divisors is an integer number (22490796).

Almost surely, 2^134121453 is an apocalyptic number.

It is an amenable number.

134121453 is a deficient number, since it is larger than the sum of its proper divisors (45804915).

134121453 is a wasteful number, since it uses less digits than its factorization.

134121453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274443.

The product of its digits is 1440, while the sum is 24.

The square root of 134121453 is about 11581.0816852313. The cubic root of 134121453 is about 511.8775507244.

Adding to 134121453 its reverse (354121431), we get a palindrome (488242884).

The spelling of 134121453 in words is "one hundred thirty-four million, one hundred twenty-one thousand, four hundred fifty-three".