1147394709 has 12 divisors (see below), whose sum is σ = 1667274336. Its totient is φ = 760348392.

The previous prime is 1147394707. The next prime is 1147394749. The reversal of 1147394709 is 9074937411.

1147394709 is a `hidden beast` number, since 1 + 147 + 39 + 470 + 9 = 666.

It is not a de Polignac number, because 1147394709 - 2¹ = 1147394707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147394701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380199 + ... + 383204.

It is an arithmetic number, because the mean of its divisors is an integer number (138939528).

Almost surely, 2^1147394709 is an apocalyptic number.

It is an amenable number.

1147394709 is a deficient number, since it is larger than the sum of its proper divisors (519879627).

1147394709 is a wasteful number, since it uses less digits than its factorization.

1147394709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763576 (or 763573 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1147394709 is about 33873.2152149748. The cubic root of 1147394709 is about 1046.8977850587.

The spelling of 1147394709 in words is "one billion, one hundred forty-seven million, three hundred ninety-four thousand, seven hundred nine".