8143745390 has 32 divisors (see below), whose sum is σ = 16140829824. Its totient is φ = 2933681440.

The previous prime is 8143745387. The next prime is 8143745437. The reversal of 8143745390 is 935473418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334184 + ... + 357723.

It is an arithmetic number, because the mean of its divisors is an integer number (504400932).

Almost surely, 2^8143745390 is an apocalyptic number.

8143745390 is a deficient number, since it is larger than the sum of its proper divisors (7997084434).

8143745390 is a wasteful number, since it uses less digits than its factorization.

8143745390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692032.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 8143745390 is about 90242.7026966724. The cubic root of 8143745390 is about 2011.9077446049.

The spelling of 8143745390 in words is "eight billion, one hundred forty-three million, seven hundred forty-five thousand, three hundred ninety".