133477393 has 8 divisors (see below), whose sum is σ = 152647488. Its totient is φ = 114332784.

The previous prime is 133477327. The next prime is 133477403. The reversal of 133477393 is 393774331.

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 133477393 - 2²⁵ = 99922961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133477193) 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, 6630 + ... + 17632.

It is an arithmetic number, because the mean of its divisors is an integer number (19080936).

Almost surely, 2^133477393 is an apocalyptic number.

It is an amenable number.

133477393 is a deficient number, since it is larger than the sum of its proper divisors (19170095).

133477393 is a wasteful number, since it uses less digits than its factorization.

133477393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743.

The product of its digits is 142884, while the sum is 40.

The square root of 133477393 is about 11553.2416663030. The cubic root of 133477393 is about 511.0568791738.

The spelling of 133477393 in words is "one hundred thirty-three million, four hundred seventy-seven thousand, three hundred ninety-three".