8520143326 has 4 divisors (see below), whose sum is σ = 12780214992. Its totient is φ = 4260071662.

The previous prime is 8520143263. The next prime is 8520143327. The reversal of 8520143326 is 6233410258.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 8520143291 and 8520143300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520143327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130035830 + ... + 2130035833.

It is an arithmetic number, because the mean of its divisors is an integer number (3195053748).

Almost surely, 2^8520143326 is an apocalyptic number.

8520143326 is a deficient number, since it is larger than the sum of its proper divisors (4260071666).

8520143326 is a wasteful number, since it uses less digits than its factorization.

8520143326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260071665.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 8520143326 is about 92304.6224519661. The cubic root of 8520143326 is about 2042.4383989548.

The spelling of 8520143326 in words is "eight billion, five hundred twenty million, one hundred forty-three thousand, three hundred twenty-six".