3139743820 has 24 divisors (see below), whose sum is σ = 6733750464. Its totient is φ = 1229175936.

The previous prime is 3139743809. The next prime is 3139743851. The reversal of 3139743820 is 283479313.

It is a super-3 number, since 3×3139743820³ (a number of 29 digits) contains 333 as substring.

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, 1669137 + ... + 1671016.

It is an arithmetic number, because the mean of its divisors is an integer number (280572936).

Almost surely, 2^3139743820 is an apocalyptic number.

It is an amenable number.

3139743820 is an abundant number, since it is smaller than the sum of its proper divisors (3594006644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3139743820 is a wasteful number, since it uses less digits than its factorization.

3139743820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340209 (or 3340207 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 3139743820 is about 56033.4169937904. The cubic root of 3139743820 is about 1464.3045260936.

The spelling of 3139743820 in words is "three billion, one hundred thirty-nine million, seven hundred forty-three thousand, eight hundred twenty".