140247498 has 8 divisors (see below), whose sum is σ = 280495008. Its totient is φ = 46749164.

The previous prime is 140247463. The next prime is 140247521. The reversal of 140247498 is 894742041.

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

140247498 is an admirable 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, 11687286 + ... + 11687297.

It is an arithmetic number, because the mean of its divisors is an integer number (35061876).

Almost surely, 2^140247498 is an apocalyptic number.

140247498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140247498 is a wasteful number, since it uses less digits than its factorization.

140247498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23374588.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 140247498 is about 11842.6136473331. The cubic root of 140247498 is about 519.5552138385. Note that the first 3 decimals are identical.

The spelling of 140247498 in words is "one hundred forty million, two hundred forty-seven thousand, four hundred ninety-eight".