1005320140 has 48 divisors (see below), whose sum is σ = 2314771200. Its totient is φ = 363718080.

The previous prime is 1005320117. The next prime is 1005320159. The reversal of 1005320140 is 410235001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32299 + ... + 55261.

It is an arithmetic number, because the mean of its divisors is an integer number (48224400).

Almost surely, 2^1005320140 is an apocalyptic number.

1005320140 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 1005320140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157385600).

1005320140 is an abundant number, since it is smaller than the sum of its proper divisors (1309451060).

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

1005320140 is a wasteful number, since it uses less digits than its factorization.

1005320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23182 (or 23180 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1005320140 is about 31706.7838167166. The cubic root of 1005320140 is about 1001.7702443856.

Adding to 1005320140 its reverse (410235001), we get a palindrome (1415555141).

The spelling of 1005320140 in words is "one billion, five million, three hundred twenty thousand, one hundred forty".