1040142136 has 48 divisors (see below), whose sum is σ = 2193622200. Its totient is φ = 461778240.

The previous prime is 1040142121. The next prime is 1040142167. The reversal of 1040142136 is 6312410401.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29130 + ... + 54118.

Almost surely, 2^1040142136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040142136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096811100).

1040142136 is an abundant number, since it is smaller than the sum of its proper divisors (1153480064).

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

1040142136 is a wasteful number, since it uses less digits than its factorization.

1040142136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25060 (or 25045 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1040142136 is about 32251.2346430334. The cubic root of 1040142136 is about 1013.2055576231.

Adding to 1040142136 its reverse (6312410401), we get a palindrome (7352552537).

The spelling of 1040142136 in words is "one billion, forty million, one hundred forty-two thousand, one hundred thirty-six".