133100015 has 4 divisors (see below), whose sum is σ = 159720024. Its totient is φ = 106480008.

The previous prime is 133099973. The next prime is 133100017. The reversal of 133100015 is 510001331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133100015 - 2¹⁰ = 133098991 is a prime.

It is a super-2 number, since 2×133100015² = 35431227986000450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13309997 + ... + 13310006.

It is an arithmetic number, because the mean of its divisors is an integer number (39930006).

Almost surely, 2^133100015 is an apocalyptic number.

133100015 is a deficient number, since it is larger than the sum of its proper divisors (26620009).

133100015 is an equidigital number, since it uses as much as digits as its factorization.

133100015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26620008.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 133100015 is about 11536.8979799598. The cubic root of 133100015 is about 510.5747908775.

Adding to 133100015 its reverse (510001331), we get a palindrome (643101346).

The spelling of 133100015 in words is "one hundred thirty-three million, one hundred thousand, fifteen".