8145139443835 has 8 divisors (see below), whose sum is σ = 9774234227520. Its totient is φ = 6516066958464.

The previous prime is 8145139443827. The next prime is 8145139443853. The reversal of 8145139443835 is 5383449315418.

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 8145139443835 - 2³ = 8145139443827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8145139443835.

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, 4760142 + ... + 6240931.

It is an arithmetic number, because the mean of its divisors is an integer number (1221779278440).

Almost surely, 2^{8145139443835} is an apocalyptic number.

8145139443835 is a deficient number, since it is larger than the sum of its proper divisors (1629094783685).

8145139443835 is a wasteful number, since it uses less digits than its factorization.

8145139443835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149157.

The product of its digits is 24883200, while the sum is 58.

The spelling of 8145139443835 in words is "eight trillion, one hundred forty-five billion, one hundred thirty-nine million, four hundred forty-three thousand, eight hundred thirty-five".