71315209133 has 8 divisors (see below), whose sum is σ = 81812995968. Its totient is φ = 60894897264.

The previous prime is 71315209123. The next prime is 71315209153. The reversal of 71315209133 is 33190251317.

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 71315209133 - 2¹⁴ = 71315192749 is a prime.

It is a super-2 number, since 2×71315209133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71315209093 and 71315209102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71315209123) 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, 19366766 + ... + 19370447.

It is an arithmetic number, because the mean of its divisors is an integer number (10226624496).

Almost surely, 2^71315209133 is an apocalyptic number.

It is an amenable number.

71315209133 is a deficient number, since it is larger than the sum of its proper divisors (10497786835).

71315209133 is a wasteful number, since it uses less digits than its factorization.

71315209133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38737483.

The product of its (nonzero) digits is 17010, while the sum is 35.

The spelling of 71315209133 in words is "seventy-one billion, three hundred fifteen million, two hundred nine thousand, one hundred thirty-three".