1013243140 has 48 divisors (see below), whose sum is σ = 2618848512. Its totient is φ = 320674176.

The previous prime is 1013243137. The next prime is 1013243149. The reversal of 1013243140 is 413423101.

It is not an unprimeable number, because it can be changed into a prime (1013243149) 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, 276544 + ... + 280183.

It is an arithmetic number, because the mean of its divisors is an integer number (54559344).

Almost surely, 2^1013243140 is an apocalyptic number.

1013243140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013243140 is an abundant number, since it is smaller than the sum of its proper divisors (1605605372).

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

1013243140 is a wasteful number, since it uses less digits than its factorization.

1013243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556756 (or 556754 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1013243140 is about 31831.4803300129. The cubic root of 1013243140 is about 1004.3950353655.

Adding to 1013243140 its reverse (413423101), we get a palindrome (1426666241).

The spelling of 1013243140 in words is "one billion, thirteen million, two hundred forty-three thousand, one hundred forty".