1013142044 has 12 divisors (see below), whose sum is σ = 1775003664. Its totient is φ = 505998144.

The previous prime is 1013142043. The next prime is 1013142077. The reversal of 1013142044 is 4402413101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013142043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139229 + ... + 146324.

It is an arithmetic number, because the mean of its divisors is an integer number (147916972).

Almost surely, 2^1013142044 is an apocalyptic number.

It is an amenable number.

1013142044 is a deficient number, since it is larger than the sum of its proper divisors (761861620).

1013142044 is a wasteful number, since it uses less digits than its factorization.

1013142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286444 (or 286442 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1013142044 is about 31829.8923026767. The cubic root of 1013142044 is about 1004.3616298600.

Adding to 1013142044 its reverse (4402413101), we get a palindrome (5415555145).

The spelling of 1013142044 in words is "one billion, thirteen million, one hundred forty-two thousand, forty-four".