133333936 has 10 divisors (see below), whose sum is σ = 258334532. Its totient is φ = 66666960.

The previous prime is 133333933. The next prime is 133333957. The reversal of 133333936 is 639333331.

It is not an unprimeable number, because it can be changed into a prime (133333933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166670 + ... + 4166701.

Almost surely, 2^133333936 is an apocalyptic number.

133333936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133333936 is a deficient number, since it is larger than the sum of its proper divisors (125000596).

133333936 is an equidigital number, since it uses as much as digits as its factorization.

133333936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333379 (or 8333373 counting only the distinct ones).

The product of its digits is 39366, while the sum is 34.

The square root of 133333936 is about 11547.0314799952. The cubic root of 133333936 is about 510.8737246431.

The spelling of 133333936 in words is "one hundred thirty-three million, three hundred thirty-three thousand, nine hundred thirty-six".