133743735 has 24 divisors (see below), whose sum is σ = 241903584. Its totient is φ = 68228160.

The previous prime is 133743733. The next prime is 133743767. The reversal of 133743735 is 537347331.

It is a happy number.

It is not a de Polignac number, because 133743735 - 2¹ = 133743733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133743735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133743733) 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 23 ways as a sum of consecutive naturals, for example, 63576 + ... + 65645.

It is an arithmetic number, because the mean of its divisors is an integer number (10079316).

Almost surely, 2^133743735 is an apocalyptic number.

133743735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133743735 is a deficient number, since it is larger than the sum of its proper divisors (108159849).

133743735 is a wasteful number, since it uses less digits than its factorization.

133743735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129255 (or 129252 counting only the distinct ones).

The product of its digits is 79380, while the sum is 36.

The square root of 133743735 is about 11564.7626434787. The cubic root of 133743735 is about 511.3965758391.

The spelling of 133743735 in words is "one hundred thirty-three million, seven hundred forty-three thousand, seven hundred thirty-five".