140262042 has 64 divisors (see below), whose sum is σ = 302054400. Its totient is φ = 43338240.

The previous prime is 140262037. The next prime is 140262071. The reversal of 140262042 is 240262041.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 612384 + ... + 612612.

It is an arithmetic number, because the mean of its divisors is an integer number (4719600).

Almost surely, 2^140262042 is an apocalyptic number.

140262042 is an abundant number, since it is smaller than the sum of its proper divisors (161792358).

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

140262042 is a wasteful number, since it uses less digits than its factorization.

140262042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140262042 is about 11843.2276850528. The cubic root of 140262042 is about 519.5731729226.

Subtracting 140262042 from its reverse (240262041), we obtain a palindrome (99999999).

The spelling of 140262042 in words is "one hundred forty million, two hundred sixty-two thousand, forty-two".