133029347 has 4 divisors (see below), whose sum is σ = 145122936. Its totient is φ = 120935760.

The previous prime is 133029343. The next prime is 133029373. The reversal of 133029347 is 743920331.

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

It is not a de Polignac number, because 133029347 - 2² = 133029343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133029343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046778 + ... + 6046799.

It is an arithmetic number, because the mean of its divisors is an integer number (36280734).

Almost surely, 2^133029347 is an apocalyptic number.

133029347 is a deficient number, since it is larger than the sum of its proper divisors (12093589).

133029347 is a wasteful number, since it uses less digits than its factorization.

133029347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093588.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 133029347 is about 11533.8348783048. The cubic root of 133029347 is about 510.4844135101.

Adding to 133029347 its reverse (743920331), we get a palindrome (876949678).

The spelling of 133029347 in words is "one hundred thirty-three million, twenty-nine thousand, three hundred forty-seven".