1013143000 has 32 divisors (see below), whose sum is σ = 2370756960. Its totient is φ = 405256800.

The previous prime is 1013142989. The next prime is 1013143009. The reversal of 1013143000 is 3413101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013143009) 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, 505572 + ... + 507571.

It is an arithmetic number, because the mean of its divisors is an integer number (74086155).

Almost surely, 2^1013143000 is an apocalyptic number.

1013143000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013143000 is an abundant number, since it is smaller than the sum of its proper divisors (1357613960).

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

1013143000 is a wasteful number, since it uses less digits than its factorization.

1013143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013164 (or 1013150 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1013143000 is about 31829.9073200033. The cubic root of 1013143000 is about 1004.3619457649.

Adding to 1013143000 its reverse (3413101), we get a palindrome (1016556101).

The spelling of 1013143000 in words is "one billion, thirteen million, one hundred forty-three thousand".