1147916439 has 24 divisors (see below), whose sum is σ = 1676291760. Its totient is φ = 756930048.

The previous prime is 1147916389. The next prime is 1147916443. The reversal of 1147916439 is 9346197411.

It is a happy number.

1147916439 is a `hidden beast` number, since 11 + 479 + 164 + 3 + 9 = 666.

It is not a de Polignac number, because 1147916439 - 2¹² = 1147912343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1147916394 and 1147916403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147916479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315559 + ... + 319175.

It is an arithmetic number, because the mean of its divisors is an integer number (69845490).

Almost surely, 2^1147916439 is an apocalyptic number.

1147916439 is a deficient number, since it is larger than the sum of its proper divisors (528375321).

1147916439 is a wasteful number, since it uses less digits than its factorization.

1147916439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999 (or 3996 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1147916439 is about 33880.9155572868. The cubic root of 1147916439 is about 1047.0564387493.

The spelling of 1147916439 in words is "one billion, one hundred forty-seven million, nine hundred sixteen thousand, four hundred thirty-nine".