133872417515 has 8 divisors (see below), whose sum is σ = 164565118368. Its totient is φ = 104485789120.

The previous prime is 133872417499. The next prime is 133872417533. The reversal of 133872417515 is 515714278331.

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

It is not a de Polignac number, because 133872417515 - 2⁴ = 133872417499 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 133872417515.

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, 326517887 + ... + 326518296.

It is an arithmetic number, because the mean of its divisors is an integer number (20570639796).

Almost surely, 2^133872417515 is an apocalyptic number.

133872417515 is a deficient number, since it is larger than the sum of its proper divisors (30692700853).

133872417515 is an equidigital number, since it uses as much as digits as its factorization.

133872417515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653036229.

The product of its digits is 705600, while the sum is 47.

The spelling of 133872417515 in words is "one hundred thirty-three billion, eight hundred seventy-two million, four hundred seventeen thousand, five hundred fifteen".