133392766 has 16 divisors (see below), whose sum is σ = 216329904. Its totient is φ = 61323264.

The previous prime is 133392757. The next prime is 133392767. The reversal of 133392766 is 667293331.

It is a super-2 number, since 2×133392766² = 35587260042261512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133392767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300 + ... + 16663.

It is an arithmetic number, because the mean of its divisors is an integer number (13520619).

Almost surely, 2^133392766 is an apocalyptic number.

133392766 is a deficient number, since it is larger than the sum of its proper divisors (82937138).

133392766 is a wasteful number, since it uses less digits than its factorization.

133392766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20235.

The product of its digits is 122472, while the sum is 40.

The square root of 133392766 is about 11549.5786070315. The cubic root of 133392766 is about 510.9488500086.

The spelling of 133392766 in words is "one hundred thirty-three million, three hundred ninety-two thousand, seven hundred sixty-six".