140809298 has 8 divisors (see below), whose sum is σ = 241387392. Its totient is φ = 60346836.

The previous prime is 140809271. The next prime is 140809307. The reversal of 140809298 is 892908041.

140809298 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028890 + ... + 5028917.

It is an arithmetic number, because the mean of its divisors is an integer number (30173424).

Almost surely, 2^140809298 is an apocalyptic number.

140809298 is a deficient number, since it is larger than the sum of its proper divisors (100578094).

140809298 is a wasteful number, since it uses less digits than its factorization.

140809298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057816.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 140809298 is about 11866.3093672801. The cubic root of 140809298 is about 520.2480300976.

The spelling of 140809298 in words is "one hundred forty million, eight hundred nine thousand, two hundred ninety-eight".