140742 has 24 divisors (see below), whose sum is σ = 348816. Its totient is φ = 40176.

The previous prime is 140741. The next prime is 140759. The reversal of 140742 is 247041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140742.

It is not an unprimeable number, because it can be changed into a prime (140741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433 + ... + 684.

It is an arithmetic number, because the mean of its divisors is an integer number (14534).

2¹⁴⁰⁷⁴² is an apocalyptic number.

140742 is an abundant number, since it is smaller than the sum of its proper divisors (208074).

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

140742 is a wasteful number, since it uses less digits than its factorization.

140742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 140742 is about 375.1559675655. The cubic root of 140742 is about 52.0165134930.

Adding to 140742 its reverse (247041), we get a palindrome (387783).

The spelling of 140742 in words is "one hundred forty thousand, seven hundred forty-two", and thus it is an iban number.