3146128178143 has 4 divisors (see below), whose sum is σ = 3157486041880. Its totient is φ = 3134770314408.

The previous prime is 3146128178119. The next prime is 3146128178173. The reversal of 3146128178143 is 3418718216413.

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

It is a cyclic number.

It is not a de Polignac number, because 3146128178143 - 2⁴¹ = 947104922591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146128178173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5678931453 + ... + 5678932006.

It is an arithmetic number, because the mean of its divisors is an integer number (789371510470).

Almost surely, 2^{3146128178143} is an apocalyptic number.

3146128178143 is a deficient number, since it is larger than the sum of its proper divisors (11357863737).

3146128178143 is a wasteful number, since it uses less digits than its factorization.

3146128178143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357863736.

The product of its digits is 774144, while the sum is 49.

The spelling of 3146128178143 in words is "three trillion, one hundred forty-six billion, one hundred twenty-eight million, one hundred seventy-eight thousand, one hundred forty-three".