133043515 has 16 divisors (see below), whose sum is σ = 177456096. Its totient is φ = 94931200.

The previous prime is 133043509. The next prime is 133043539. The reversal of 133043515 is 515340331.

It is a de Polignac number, because none of the positive numbers 2^k-133043515 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133043515.

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 15 ways as a sum of consecutive naturals, for example, 19906 + ... + 25735.

It is an arithmetic number, because the mean of its divisors is an integer number (11091006).

Almost surely, 2^133043515 is an apocalyptic number.

133043515 is a deficient number, since it is larger than the sum of its proper divisors (44412581).

133043515 is a wasteful number, since it uses less digits than its factorization.

133043515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45710.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 133043515 is about 11534.4490548964. The cubic root of 133043515 is about 510.5025355426.

Adding to 133043515 its reverse (515340331), we get a palindrome (648383846).

The spelling of 133043515 in words is "one hundred thirty-three million, forty-three thousand, five hundred fifteen".