133501743 has 16 divisors (see below), whose sum is σ = 200492640. Its totient is φ = 87780672.

The previous prime is 133501681. The next prime is 133501769. The reversal of 133501743 is 347105331.

It is not a de Polignac number, because 133501743 - 2⁶ = 133501679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133501793) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31896 + ... + 35837.

It is an arithmetic number, because the mean of its divisors is an integer number (12530790).

Almost surely, 2^133501743 is an apocalyptic number.

133501743 is a deficient number, since it is larger than the sum of its proper divisors (66990897).

133501743 is an equidigital number, since it uses as much as digits as its factorization.

133501743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67815 (or 67809 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 133501743 is about 11554.2954350319. The cubic root of 133501743 is about 511.0879542946.

The spelling of 133501743 in words is "one hundred thirty-three million, five hundred one thousand, seven hundred forty-three".