133953347 has 4 divisors (see below), whose sum is σ = 146130936. Its totient is φ = 121775760.

The previous prime is 133953341. The next prime is 133953361. The reversal of 133953347 is 743359331.

It is a happy number.

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 133953347 - 2⁸ = 133953091 is a prime.

It is a super-3 number, since 3×133953347³ (a number of 25 digits) contains 333 as substring.

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 133953347.

It is not an unprimeable number, because it can be changed into a prime (133953341) 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, 6088778 + ... + 6088799.

It is an arithmetic number, because the mean of its divisors is an integer number (36532734).

Almost surely, 2^133953347 is an apocalyptic number.

133953347 is a deficient number, since it is larger than the sum of its proper divisors (12177589).

133953347 is a wasteful number, since it uses less digits than its factorization.

133953347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12177588.

The product of its digits is 102060, while the sum is 38.

The square root of 133953347 is about 11573.8216246839. The cubic root of 133953347 is about 511.6636011987.

The spelling of 133953347 in words is "one hundred thirty-three million, nine hundred fifty-three thousand, three hundred forty-seven".