142140726 has 96 divisors (see below), whose sum is σ = 383056128. Its totient is φ = 37091520.

The previous prime is 142140683. The next prime is 142140731. The reversal of 142140726 is 627041241.

142140726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142140726.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174861 + ... + 175671.

It is an arithmetic number, because the mean of its divisors is an integer number (3990168).

Almost surely, 2^142140726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142140726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191528064).

142140726 is an abundant number, since it is smaller than the sum of its proper divisors (240915402).

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

142140726 is a wasteful number, since it uses less digits than its factorization.

142140726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 142140726 is about 11922.2785573899. The cubic root of 142140726 is about 521.8826309425.

Adding to 142140726 its reverse (627041241), we get a palindrome (769181967).

The spelling of 142140726 in words is "one hundred forty-two million, one hundred forty thousand, seven hundred twenty-six".