1004320140 has 24 divisors (see below), whose sum is σ = 2812096560. Its totient is φ = 267818688.

The previous prime is 1004320129. The next prime is 1004320147. The reversal of 1004320140 is 410234001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1004320147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8369275 + ... + 8369394.

It is an arithmetic number, because the mean of its divisors is an integer number (117170690).

Almost surely, 2^1004320140 is an apocalyptic number.

1004320140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004320140 is an abundant number, since it is smaller than the sum of its proper divisors (1807776420).

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

1004320140 is a wasteful number, since it uses less digits than its factorization.

1004320140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16738681 (or 16738679 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1004320140 is about 31691.0103972720. The cubic root of 1004320140 is about 1001.4379778951.

Adding to 1004320140 its reverse (410234001), we get a palindrome (1414554141).

The spelling of 1004320140 in words is "one billion, four million, three hundred twenty thousand, one hundred forty".