133731225515 has 8 divisors (see below), whose sum is σ = 160534985568. Its totient is φ = 106946637120.

The previous prime is 133731225449. The next prime is 133731225557. The reversal of 133731225515 is 515522137331.

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

It is not a de Polignac number, because 133731225515 - 2¹⁸ = 133730963371 is a prime.

It is a Duffinian number.

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, 4777562 + ... + 4805471.

It is an arithmetic number, because the mean of its divisors is an integer number (20066873196).

Almost surely, 2^133731225515 is an apocalyptic number.

133731225515 is a deficient number, since it is larger than the sum of its proper divisors (26803760053).

133731225515 is an equidigital number, since it uses as much as digits as its factorization.

133731225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585829.

The product of its digits is 94500, while the sum is 38.

The spelling of 133731225515 in words is "one hundred thirty-three billion, seven hundred thirty-one million, two hundred twenty-five thousand, five hundred fifteen".