3139240320 has 128 divisors (see below), whose sum is σ = 11118204000. Its totient is φ = 837126144.

The previous prime is 3139240319. The next prime is 3139240339. The reversal of 3139240320 is 230429313.

It is a happy number.

3139240320 is a `hidden beast` number, since 313 + 9 + 24 + 0 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 73555 + ... + 108114.

Almost surely, 2^3139240320 is an apocalyptic number.

3139240320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3139240320 is an abundant number, since it is smaller than the sum of its proper divisors (7978963680).

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

3139240320 is a wasteful number, since it uses less digits than its factorization.

3139240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181697 (or 181679 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3139240320 is about 56028.9239589696. The cubic root of 3139240320 is about 1464.2262482907.

Adding to 3139240320 its reverse (230429313), we get a palindrome (3369669633).

The spelling of 3139240320 in words is "three billion, one hundred thirty-nine million, two hundred forty thousand, three hundred twenty".