140720998 has 8 divisors (see below), whose sum is σ = 230270760. Its totient is φ = 63964080.

The previous prime is 140720947. The next prime is 140721023. The reversal of 140720998 is 899027041.

140720998 is digitally balanced in base 2, 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 a self number, because there is not a number n which added to its sum of digits gives 140720998.

It is a congruent number.

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, 3198183 + ... + 3198226.

It is an arithmetic number, because the mean of its divisors is an integer number (28783845).

Almost surely, 2^140720998 is an apocalyptic number.

140720998 is a deficient number, since it is larger than the sum of its proper divisors (89549762).

140720998 is a wasteful number, since it uses less digits than its factorization.

140720998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396422.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 140720998 is about 11862.5881661634. The cubic root of 140720998 is about 520.1392600390.

The spelling of 140720998 in words is "one hundred forty million, seven hundred twenty thousand, nine hundred ninety-eight".