1239813483 has 8 divisors (see below), whose sum is σ = 1653247296. Its totient is φ = 826461000.

The previous prime is 1239813469. The next prime is 1239813503. The reversal of 1239813483 is 3843189321.

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

It is not a de Polignac number, because 1239813483 - 2⁴ = 1239813467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1239813583) 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, 49848 + ... + 70458.

It is an arithmetic number, because the mean of its divisors is an integer number (206655912).

Almost surely, 2^1239813483 is an apocalyptic number.

1239813483 is a deficient number, since it is larger than the sum of its proper divisors (413433813).

1239813483 is a wasteful number, since it uses less digits than its factorization.

1239813483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40665.

The product of its digits is 124416, while the sum is 42.

The square root of 1239813483 is about 35210.9852602849. The cubic root of 1239813483 is about 1074.2832021246.

The spelling of 1239813483 in words is "one billion, two hundred thirty-nine million, eight hundred thirteen thousand, four hundred eighty-three".