1147382439 has 32 divisors (see below), whose sum is σ = 1828721664. Its totient is φ = 625658880.

The previous prime is 1147382413. The next prime is 1147382441. The reversal of 1147382439 is 9342837411.

It is not a de Polignac number, because 1147382439 - 2⁸ = 1147382183 is a prime.

It is a super-2 number, since 2×1147382439² = 2632972922651177442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147382439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147382449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220087 + ... + 225239.

It is an arithmetic number, because the mean of its divisors is an integer number (57147552).

Almost surely, 2^1147382439 is an apocalyptic number.

1147382439 is a deficient number, since it is larger than the sum of its proper divisors (681339225).

1147382439 is a wasteful number, since it uses less digits than its factorization.

1147382439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647.

The product of its digits is 145152, while the sum is 42.

The square root of 1147382439 is about 33873.0340979370. The cubic root of 1147382439 is about 1046.8940532765.

The spelling of 1147382439 in words is "one billion, one hundred forty-seven million, three hundred eighty-two thousand, four hundred thirty-nine".