1148711382 has 160 divisors (see below), whose sum is σ = 3218003712. Its totient is φ = 298178496.

The previous prime is 1148711371. The next prime is 1148711383. The reversal of 1148711382 is 2831178411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148711383) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 987133 + ... + 988295.

Almost surely, 2^1148711382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148711382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609001856).

1148711382 is an abundant number, since it is smaller than the sum of its proper divisors (2069292330).

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

1148711382 is a wasteful number, since it uses less digits than its factorization.

1148711382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1255 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 1148711382 is about 33892.6449543260. The cubic root of 1148711382 is about 1047.2980818095.

Adding to 1148711382 its reverse (2831178411), we get a palindrome (3979889793).

The spelling of 1148711382 in words is "one billion, one hundred forty-eight million, seven hundred eleven thousand, three hundred eighty-two".