133325750 has 16 divisors (see below), whose sum is σ = 249586272. Its totient is φ = 53330200.

The previous prime is 133325749. The next prime is 133325783. The reversal of 133325750 is 57523331.

It is a super-2 number, since 2×133325750² = 35551511226125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266402 + ... + 266901.

It is an arithmetic number, because the mean of its divisors is an integer number (15599142).

Almost surely, 2^133325750 is an apocalyptic number.

133325750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133325750 is a deficient number, since it is larger than the sum of its proper divisors (116260522).

133325750 is an equidigital number, since it uses as much as digits as its factorization.

133325750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533320 (or 533310 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 133325750 is about 11546.6770111578. The cubic root of 133325750 is about 510.8632694456.

The spelling of 133325750 in words is "one hundred thirty-three million, three hundred twenty-five thousand, seven hundred fifty".