133012515 has 8 divisors (see below), whose sum is σ = 212820048. Its totient is φ = 70940000.

The previous prime is 133012489. The next prime is 133012541. The reversal of 133012515 is 515210331.

It is an interprime number because it is at equal distance from previous prime (133012489) and next prime (133012541).

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

It is not a de Polignac number, because 133012515 - 2⁸ = 133012259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133012491 and 133012500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4433736 + ... + 4433765.

It is an arithmetic number, because the mean of its divisors is an integer number (26602506).

Almost surely, 2^133012515 is an apocalyptic number.

133012515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133012515 is a deficient number, since it is larger than the sum of its proper divisors (79807533).

133012515 is an equidigital number, since it uses as much as digits as its factorization.

133012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8867509.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 133012515 is about 11533.1051759706. The cubic root of 133012515 is about 510.4628823311.

Adding to 133012515 its reverse (515210331), we get a palindrome (648222846).

The spelling of 133012515 in words is "one hundred thirty-three million, twelve thousand, five hundred fifteen".