1140739248 has 80 divisors (see below), whose sum is σ = 3246792192. Its totient is φ = 342240000.

The previous prime is 1140739247. The next prime is 1140739261. The reversal of 1140739248 is 8429370411.

It is not an unprimeable number, because it can be changed into a prime (1140739247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42633 + ... + 64023.

Almost surely, 2^1140739248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140739248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1623396096).

1140739248 is an abundant number, since it is smaller than the sum of its proper divisors (2106052944).

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

1140739248 is a wasteful number, since it uses less digits than its factorization.

1140739248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21514 (or 21508 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1140739248 is about 33774.8315761900. The cubic root of 1140739248 is about 1044.8696823978.

It can be divided in two parts, 114073 and 9248, that added together give a palindrome (123321).

The spelling of 1140739248 in words is "one billion, one hundred forty million, seven hundred thirty-nine thousand, two hundred forty-eight".