140432542 has 16 divisors (see below), whose sum is σ = 217736064. Its totient is φ = 67860000.

The previous prime is 140432507. The next prime is 140432557. The reversal of 140432542 is 245234041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79792 + ... + 81532.

It is an arithmetic number, because the mean of its divisors is an integer number (13608504).

Almost surely, 2^140432542 is an apocalyptic number.

140432542 is a deficient number, since it is larger than the sum of its proper divisors (77303522).

140432542 is a wasteful number, since it uses less digits than its factorization.

140432542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 140432542 is about 11850.4237055052. The cubic root of 140432542 is about 519.7836155911.

Adding to 140432542 its reverse (245234041), we get a palindrome (385666583).

The spelling of 140432542 in words is "one hundred forty million, four hundred thirty-two thousand, five hundred forty-two".