3720543139 has 8 divisors (see below), whose sum is σ = 3873357360. Its totient is φ = 3569363616.

The previous prime is 3720543133. The next prime is 3720543163. The reversal of 3720543139 is 9313450273.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3720543139 - 2¹⁷ = 3720412067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3720543098 and 3720543107.

It is not an unprimeable number, because it can be changed into a prime (3720543133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404029 + ... + 413134.

It is an arithmetic number, because the mean of its divisors is an integer number (484169670).

Almost surely, 2^3720543139 is an apocalyptic number.

3720543139 is a deficient number, since it is larger than the sum of its proper divisors (152814221).

3720543139 is a wasteful number, since it uses less digits than its factorization.

3720543139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817349.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 3720543139 is about 60996.2551227532. The cubic root of 3720543139 is about 1549.5375851267.

The spelling of 3720543139 in words is "three billion, seven hundred twenty million, five hundred forty-three thousand, one hundred thirty-nine".