140213942 has 32 divisors (see below), whose sum is σ = 236866464. Its totient is φ = 61689600.

The previous prime is 140213873. The next prime is 140213963. The reversal of 140213942 is 249312041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228428 + ... + 229040.

It is an arithmetic number, because the mean of its divisors is an integer number (7402077).

Almost surely, 2^140213942 is an apocalyptic number.

140213942 is a deficient number, since it is larger than the sum of its proper divisors (96652522).

140213942 is a wasteful number, since it uses less digits than its factorization.

140213942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 140213942 is about 11841.1968145116. The cubic root of 140213942 is about 519.5137737995.

Adding to 140213942 its reverse (249312041), we get a palindrome (389525983).

The spelling of 140213942 in words is "one hundred forty million, two hundred thirteen thousand, nine hundred forty-two".