140233042 has 4 divisors (see below), whose sum is σ = 210349566. Its totient is φ = 70116520.

The previous prime is 140233039. The next prime is 140233043. The reversal of 140233042 is 240332041.

140233042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82791801 + 57441241 = 9099^2 + 7579^2 .

It is not an unprimeable number, because it can be changed into a prime (140233043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35058259 + ... + 35058262.

Almost surely, 2^140233042 is an apocalyptic number.

140233042 is a deficient number, since it is larger than the sum of its proper divisors (70116524).

140233042 is an equidigital number, since it uses as much as digits as its factorization.

140233042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70116523.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140233042 is about 11842.0032933621. The cubic root of 140233042 is about 519.5373621873.

Adding to 140233042 its reverse (240332041), we get a palindrome (380565083).

The spelling of 140233042 in words is "one hundred forty million, two hundred thirty-three thousand, forty-two".