1147813738 has 8 divisors (see below), whose sum is σ = 1724512932. Its totient is φ = 572976096.

The previous prime is 1147813727. The next prime is 1147813753. The reversal of 1147813738 is 8373187411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1033815409 + 113998329 = 32153^2 + 10677^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1147813694 and 1147813703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463845 + ... + 466312.

Almost surely, 2^1147813738 is an apocalyptic number.

1147813738 is a deficient number, since it is larger than the sum of its proper divisors (576699194).

1147813738 is an equidigital number, since it uses as much as digits as its factorization.

1147813738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930776.

The product of its digits is 112896, while the sum is 43.

The square root of 1147813738 is about 33879.3999061377. The cubic root of 1147813738 is about 1047.0252120424.

The spelling of 1147813738 in words is "one billion, one hundred forty-seven million, eight hundred thirteen thousand, seven hundred thirty-eight".