1140431300 has 72 divisors (see below), whose sum is σ = 2613374400. Its totient is φ = 430773120.

The previous prime is 1140431273. The next prime is 1140431329. The reversal of 1140431300 is 31340411.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 738329 + ... + 739871.

Almost surely, 2^1140431300 is an apocalyptic number.

1140431300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140431300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306687200).

1140431300 is an abundant number, since it is smaller than the sum of its proper divisors (1472943100).

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

1140431300 is a wasteful number, since it uses less digits than its factorization.

1140431300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1140431300 is about 33770.2724300530. The cubic root of 1140431300 is about 1044.7756514181.

Adding to 1140431300 its reverse (31340411), we get a palindrome (1171771711).

The spelling of 1140431300 in words is "one billion, one hundred forty million, four hundred thirty-one thousand, three hundred".