1381839083 has 4 divisors (see below), whose sum is σ = 1387093488. Its totient is φ = 1376584680.

The previous prime is 1381839071. The next prime is 1381839097. The reversal of 1381839083 is 3809381831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1381839083 - 2¹⁴ = 1381822699 is a prime.

It is a super-4 number, since 4×1381839083⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1381839383) 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, 2626808 + ... + 2627333.

It is an arithmetic number, because the mean of its divisors is an integer number (346773372).

Almost surely, 2^1381839083 is an apocalyptic number.

1381839083 is a deficient number, since it is larger than the sum of its proper divisors (5254405).

1381839083 is an equidigital number, since it uses as much as digits as its factorization.

1381839083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254404.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1381839083 is about 37173.0962256307. The cubic root of 1381839083 is about 1113.8306315082.

The spelling of 1381839083 in words is "one billion, three hundred eighty-one million, eight hundred thirty-nine thousand, eighty-three".