133365386 has 16 divisors (see below), whose sum is σ = 249410880. Its totient is φ = 51960480.

The previous prime is 133365371. The next prime is 133365457. The reversal of 133365386 is 683563331.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432851 + ... + 433158.

It is an arithmetic number, because the mean of its divisors is an integer number (15588180).

Almost surely, 2^133365386 is an apocalyptic number.

133365386 is a deficient number, since it is larger than the sum of its proper divisors (116045494).

133365386 is a wasteful number, since it uses less digits than its factorization.

133365386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866029.

The product of its digits is 116640, while the sum is 38.

The square root of 133365386 is about 11548.3932215698. The cubic root of 133365386 is about 510.9138887504.

The spelling of 133365386 in words is "one hundred thirty-three million, three hundred sixty-five thousand, three hundred eighty-six".