134215451 has 8 divisors (see below), whose sum is σ = 141464880. Its totient is φ = 127140832.

The previous prime is 134215447. The next prime is 134215463. The reversal of 134215451 is 154512431.

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 134215451 - 2² = 134215447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134215451.

It is not an unprimeable number, because it can be changed into a prime (134215441) 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, 42125 + ... + 45198.

It is an arithmetic number, because the mean of its divisors is an integer number (17683110).

Almost surely, 2^134215451 is an apocalyptic number.

134215451 is a deficient number, since it is larger than the sum of its proper divisors (7249429).

134215451 is an equidigital number, since it uses as much as digits as its factorization.

134215451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87405.

The product of its digits is 2400, while the sum is 26.

The square root of 134215451 is about 11585.1392309286. The cubic root of 134215451 is about 511.9971046284.

Adding to 134215451 its reverse (154512431), we get a palindrome (288727882).

The spelling of 134215451 in words is "one hundred thirty-four million, two hundred fifteen thousand, four hundred fifty-one".