142131040 has 24 divisors (see below), whose sum is σ = 335784960. Its totient is φ = 56852352.

The previous prime is 142130993. The next prime is 142131047. The reversal of 142131040 is 40131241.

142131040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142131047) 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, 444000 + ... + 444319.

It is an arithmetic number, because the mean of its divisors is an integer number (13991040).

Almost surely, 2^142131040 is an apocalyptic number.

142131040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142131040 is an abundant number, since it is smaller than the sum of its proper divisors (193653920).

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

142131040 is an equidigital number, since it uses as much as digits as its factorization.

142131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888334 (or 888326 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142131040 is about 11921.8723361727. The cubic root of 142131040 is about 521.8707763293.

Adding to 142131040 its reverse (40131241), we get a palindrome (182262281).

The spelling of 142131040 in words is "one hundred forty-two million, one hundred thirty-one thousand, forty".