3781214144 has 28 divisors (see below), whose sum is σ = 7615345704. Its totient is φ = 1862386944.

The previous prime is 3781214141. The next prime is 3781214153. The reversal of 3781214144 is 4414121873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781214141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436619 + ... + 445194.

Almost surely, 2^3781214144 is an apocalyptic number.

It is an amenable number.

3781214144 is an abundant number, since it is smaller than the sum of its proper divisors (3834131560).

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

3781214144 is an equidigital number, since it uses as much as digits as its factorization.

3781214144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881892 (or 881882 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 3781214144 is about 61491.5778298134. The cubic root of 3781214144 is about 1557.9149967109.

The spelling of 3781214144 in words is "three billion, seven hundred eighty-one million, two hundred fourteen thousand, one hundred forty-four".