133706750 has 16 divisors (see below), whose sum is σ = 250299504. Its totient is φ = 53482600.

The previous prime is 133706723. The next prime is 133706753. The reversal of 133706750 is 57607331.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133706753) 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, 267164 + ... + 267663.

It is an arithmetic number, because the mean of its divisors is an integer number (15643719).

Almost surely, 2^133706750 is an apocalyptic number.

133706750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133706750 is a deficient number, since it is larger than the sum of its proper divisors (116592754).

133706750 is an equidigital number, since it uses as much as digits as its factorization.

133706750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534844 (or 534834 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 133706750 is about 11563.1634944768. The cubic root of 133706750 is about 511.3494315845.

The spelling of 133706750 in words is "one hundred thirty-three million, seven hundred six thousand, seven hundred fifty".