3509139348 has 480 divisors, whose sum is σ = 11679655680. Its totient is φ = 903260160.

The previous prime is 3509139343. The next prime is 3509139353. The reversal of 3509139348 is 8439319053.

3509139348 is a `hidden beast` number, since 3 + 509 + 13 + 93 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (3509139343) and next prime (3509139353).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509139343) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 39428488 + ... + 39428576.

It is an arithmetic number, because the mean of its divisors is an integer number (24332616).

Almost surely, 2^3509139348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3509139348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5839827840).

3509139348 is an abundant number, since it is smaller than the sum of its proper divisors (8170516332).

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

3509139348 is a wasteful number, since it uses less digits than its factorization.

3509139348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 3509139348 is about 59237.9890610747. The cubic root of 3509139348 is about 1519.6148822336.

The spelling of 3509139348 in words is "three billion, five hundred nine million, one hundred thirty-nine thousand, three hundred forty-eight".