133132750 has 16 divisors (see below), whose sum is σ = 249224976. Its totient is φ = 53253000.

The previous prime is 133132711. The next prime is 133132777. The reversal of 133132750 is 57231331.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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, 266016 + ... + 266515.

It is an arithmetic number, because the mean of its divisors is an integer number (15576561).

Almost surely, 2^133132750 is an apocalyptic number.

133132750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133132750 is a deficient number, since it is larger than the sum of its proper divisors (116092226).

133132750 is an equidigital number, since it uses as much as digits as its factorization.

133132750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532548 (or 532538 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 133132750 is about 11538.3166016538. The cubic root of 133132750 is about 510.6166448567.

The spelling of 133132750 in words is "one hundred thirty-three million, one hundred thirty-two thousand, seven hundred fifty".