133035749 has 24 divisors (see below), whose sum is σ = 174410880. Its totient is φ = 99142560.

The previous prime is 133035743. The next prime is 133035751. The reversal of 133035749 is 947530331.

It is a de Polignac number, because none of the positive numbers 2^k-133035749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133035743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16067 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (7267120).

Almost surely, 2^133035749 is an apocalyptic number.

It is an amenable number.

133035749 is a deficient number, since it is larger than the sum of its proper divisors (41375131).

133035749 is a wasteful number, since it uses less digits than its factorization.

133035749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6881 (or 6870 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 133035749 is about 11534.1124062496. The cubic root of 133035749 is about 510.4926023518.

The spelling of 133035749 in words is "one hundred thirty-three million, thirty-five thousand, seven hundred forty-nine".