140294140 has 24 divisors (see below), whose sum is σ = 336706272. Its totient is φ = 48100800.

The previous prime is 140294117. The next prime is 140294159. The reversal of 140294140 is 41492041.

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 7 ways as a sum of consecutive naturals, for example, 500911 + ... + 501190.

It is an arithmetic number, because the mean of its divisors is an integer number (14029428).

Almost surely, 2^140294140 is an apocalyptic number.

140294140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140294140 is an abundant number, since it is smaller than the sum of its proper divisors (196412132).

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

140294140 is a wasteful number, since it uses less digits than its factorization.

140294140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002117 (or 1002115 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 140294140 is about 11844.5827279816. The cubic root of 140294140 is about 519.6128034776.

The spelling of 140294140 in words is "one hundred forty million, two hundred ninety-four thousand, one hundred forty".