140935890 has 32 divisors (see below), whose sum is σ = 338722560. Its totient is φ = 37529984.

The previous prime is 140935843. The next prime is 140935903. The reversal of 140935890 is 98539041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21367 + ... + 27173.

It is an arithmetic number, because the mean of its divisors is an integer number (10585080).

Almost surely, 2^140935890 is an apocalyptic number.

140935890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140935890 is an abundant number, since it is smaller than the sum of its proper divisors (197786670).

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

140935890 is a wasteful number, since it uses less digits than its factorization.

140935890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6626.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 140935890 is about 11871.6422621304. The cubic root of 140935890 is about 520.4038898619.

The spelling of 140935890 in words is "one hundred forty million, nine hundred thirty-five thousand, eight hundred ninety".