133015142450521 has 8 divisors (see below), whose sum is σ = 138665418386688. Its totient is φ = 127449833070000.

The previous prime is 133015142450497. The next prime is 133015142450557. The reversal of 133015142450521 is 125054241510331.

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

It is a cyclic number.

It is not a de Polignac number, because 133015142450521 - 2⁹ = 133015142450009 is a prime.

It is a super-2 number, since 2×133015142450521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133015142450221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21241635715 + ... + 21241641976.

It is an arithmetic number, because the mean of its divisors is an integer number (17333177298336).

Almost surely, 2^{133015142450521} is an apocalyptic number.

It is an amenable number.

133015142450521 is a deficient number, since it is larger than the sum of its proper divisors (5650275936167).

133015142450521 is a wasteful number, since it uses less digits than its factorization.

133015142450521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42483277823.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 133015142450521 its reverse (125054241510331), we get a palindrome (258069383960852).

The spelling of 133015142450521 in words is "one hundred thirty-three trillion, fifteen billion, one hundred forty-two million, four hundred fifty thousand, five hundred twenty-one".