1147916394 has 32 divisors (see below), whose sum is σ = 2581669440. Its totient is φ = 378027216.

The previous prime is 1147916389. The next prime is 1147916443. The reversal of 1147916394 is 4936197411.

It is a happy number.

1147916394 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 9 + 1 + 639 + 4 = 666.

It is a super-2 number, since 2×1147916394² = 2635424095227926472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123577 + ... + 132540.

It is an arithmetic number, because the mean of its divisors is an integer number (80677170).

Almost surely, 2^1147916394 is an apocalyptic number.

1147916394 is an abundant number, since it is smaller than the sum of its proper divisors (1433753046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1147916394 is a wasteful number, since it uses less digits than its factorization.

1147916394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256211 (or 256205 counting only the distinct ones).

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

The square root of 1147916394 is about 33880.9148931961. The cubic root of 1147916394 is about 1047.0564250672.

The spelling of 1147916394 in words is "one billion, one hundred forty-seven million, nine hundred sixteen thousand, three hundred ninety-four".