3781835139 has 8 divisors (see below), whose sum is σ = 5051188240. Its totient is φ = 2516852736.

The previous prime is 3781835131. The next prime is 3781835179. The reversal of 3781835139 is 9315381873.

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

It is not a de Polignac number, because 3781835139 - 2³ = 3781835131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3781835131) 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, 1090654 + ... + 1094115.

It is an arithmetic number, because the mean of its divisors is an integer number (631398530).

Almost surely, 2^3781835139 is an apocalyptic number.

3781835139 is a deficient number, since it is larger than the sum of its proper divisors (1269353101).

3781835139 is a wasteful number, since it uses less digits than its factorization.

3781835139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185349.

The product of its digits is 544320, while the sum is 48.

The square root of 3781835139 is about 61496.6270538474. The cubic root of 3781835139 is about 1558.0002783540. Note that the first 3 decimals are identical.

The spelling of 3781835139 in words is "three billion, seven hundred eighty-one million, eight hundred thirty-five thousand, one hundred thirty-nine".