133457515 has 8 divisors (see below), whose sum is σ = 160211088. Its totient is φ = 106724640.

The previous prime is 133457491. The next prime is 133457521. The reversal of 133457515 is 515754331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133457515 - 2⁹ = 133457003 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 21949 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (20026386).

Almost surely, 2^133457515 is an apocalyptic number.

133457515 is a deficient number, since it is larger than the sum of its proper divisors (26753573).

133457515 is an equidigital number, since it uses as much as digits as its factorization.

133457515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349.

The product of its digits is 31500, while the sum is 34.

The square root of 133457515 is about 11552.3813562399. The cubic root of 133457515 is about 511.0315083531.

The spelling of 133457515 in words is "one hundred thirty-three million, four hundred fifty-seven thousand, five hundred fifteen".