3139696740 has 96 divisors (see below), whose sum is σ = 9105417216. Its totient is φ = 807505920.

The previous prime is 3139696739. The next prime is 3139696757. The reversal of 3139696740 is 476969313.

It is a self number, because there is not a number n which added to its sum of digits gives 3139696740.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579484 + ... + 584876.

It is an arithmetic number, because the mean of its divisors is an integer number (94848096).

Almost surely, 2^3139696740 is an apocalyptic number.

3139696740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3139696740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4552708608).

3139696740 is an abundant number, since it is smaller than the sum of its proper divisors (5965720476).

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

3139696740 is a wasteful number, since it uses less digits than its factorization.

3139696740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 3139696740 is about 56032.9968857637. The cubic root of 3139696740 is about 1464.2972070461.

The spelling of 3139696740 in words is "three billion, one hundred thirty-nine million, six hundred ninety-six thousand, seven hundred forty".