134221451 has 8 divisors (see below), whose sum is σ = 165195744. Its totient is φ = 106197120.

The previous prime is 134221441. The next prime is 134221457. The reversal of 134221451 is 154122431.

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

It is a cyclic number.

It is not a de Polignac number, because 134221451 - 2¹⁴ = 134205067 is a prime.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (134221457) 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, 737390 + ... + 737571.

It is an arithmetic number, because the mean of its divisors is an integer number (20649468).

Almost surely, 2^134221451 is an apocalyptic number.

134221451 is a deficient number, since it is larger than the sum of its proper divisors (30974293).

134221451 is a wasteful number, since it uses less digits than its factorization.

134221451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474981.

The product of its digits is 960, while the sum is 23.

The square root of 134221451 is about 11585.3981804684. The cubic root of 134221451 is about 512.0047339955.

Adding to 134221451 its reverse (154122431), we get a palindrome (288343882).

The spelling of 134221451 in words is "one hundred thirty-four million, two hundred twenty-one thousand, four hundred fifty-one".