134121243 has 8 divisors (see below), whose sum is σ = 179022928. Its totient is φ = 89316864.

The previous prime is 134121241. The next prime is 134121269. The reversal of 134121243 is 342121431.

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

It is not a de Polignac number, because 134121243 - 2¹ = 134121241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134121241) 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, 21046 + ... + 26667.

It is an arithmetic number, because the mean of its divisors is an integer number (22377866).

Almost surely, 2^134121243 is an apocalyptic number.

134121243 is a deficient number, since it is larger than the sum of its proper divisors (44901685).

134121243 is an equidigital number, since it uses as much as digits as its factorization.

134121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48653.

The product of its digits is 576, while the sum is 21.

The square root of 134121243 is about 11581.0726187171. The cubic root of 134121243 is about 511.8772835677.

Adding to 134121243 its reverse (342121431), we get a palindrome (476242674).

The spelling of 134121243 in words is "one hundred thirty-four million, one hundred twenty-one thousand, two hundred forty-three".