133214147 has 4 divisors (see below), whose sum is σ = 145324536. Its totient is φ = 121103760.

The previous prime is 133214141. The next prime is 133214173. The reversal of 133214147 is 741412331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133214147 - 2⁸ = 133213891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133214141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055178 + ... + 6055199.

It is an arithmetic number, because the mean of its divisors is an integer number (36331134).

Almost surely, 2^133214147 is an apocalyptic number.

133214147 is a deficient number, since it is larger than the sum of its proper divisors (12110389).

133214147 is a wasteful number, since it uses less digits than its factorization.

133214147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12110388.

The product of its digits is 2016, while the sum is 26.

The square root of 133214147 is about 11541.8433103209. The cubic root of 133214147 is about 510.7206868636.

Adding to 133214147 its reverse (741412331), we get a palindrome (874626478).

The spelling of 133214147 in words is "one hundred thirty-three million, two hundred fourteen thousand, one hundred forty-seven".