133320047 has 8 divisors (see below), whose sum is σ = 157620000. Its totient is φ = 110333664.

The previous prime is 133319993. The next prime is 133320049. The reversal of 133320047 is 740023331.

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 133320047 - 2¹⁴ = 133303663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320049) 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, 328172 + ... + 328577.

It is an arithmetic number, because the mean of its divisors is an integer number (19702500).

Almost surely, 2^133320047 is an apocalyptic number.

133320047 is a deficient number, since it is larger than the sum of its proper divisors (24299953).

133320047 is an equidigital number, since it uses as much as digits as its factorization.

133320047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656785.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 133320047 is about 11546.4300543501. The cubic root of 133320047 is about 510.8559852944.

Adding to 133320047 its reverse (740023331), we get a palindrome (873343378).

The spelling of 133320047 in words is "one hundred thirty-three million, three hundred twenty thousand, forty-seven".