140318890 has 16 divisors (see below), whose sum is σ = 258448608. Its totient is φ = 54822096.

The previous prime is 140318881. The next prime is 140318903. The reversal of 140318890 is 98813041.

It is a happy 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, 162732 + ... + 163591.

It is an arithmetic number, because the mean of its divisors is an integer number (16153038).

Almost surely, 2^140318890 is an apocalyptic number.

140318890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140318890 is a deficient number, since it is larger than the sum of its proper divisors (118129718).

140318890 is a wasteful number, since it uses less digits than its factorization.

140318890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326373.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 140318890 is about 11845.6274633301. The cubic root of 140318890 is about 519.6433575234.

The spelling of 140318890 in words is "one hundred forty million, three hundred eighteen thousand, eight hundred ninety".