1149147938 has 4 divisors (see below), whose sum is σ = 1723721910. Its totient is φ = 574573968.

The previous prime is 1149147931. The next prime is 1149147991. The reversal of 1149147938 is 8397419411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8397419411 = 11059 ⋅759329.

It can be written as a sum of positive squares in only one way, i.e., 1100049889 + 49098049 = 33167^2 + 7007^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1149147892 and 1149147901.

It is not an unprimeable number, because it can be changed into a prime (1149147931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287286983 + ... + 287286986.

Almost surely, 2^1149147938 is an apocalyptic number.

1149147938 is a deficient number, since it is larger than the sum of its proper divisors (574573972).

1149147938 is an equidigital number, since it uses as much as digits as its factorization.

1149147938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574573971.

The product of its digits is 217728, while the sum is 47.

The square root of 1149147938 is about 33899.0846189097. The cubic root of 1149147938 is about 1047.4307366441.

The spelling of 1149147938 in words is "one billion, one hundred forty-nine million, one hundred forty-seven thousand, nine hundred thirty-eight".