140284898 has 8 divisors (see below), whose sum is σ = 226614108. Its totient is φ = 64746864.

The previous prime is 140284891. The next prime is 140284943. The reversal of 140284898 is 898482041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115713049 + 24571849 = 10757^2 + 4957^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140284891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697761 + ... + 2697812.

Almost surely, 2^140284898 is an apocalyptic number.

140284898 is a deficient number, since it is larger than the sum of its proper divisors (86329210).

140284898 is a wasteful number, since it uses less digits than its factorization.

140284898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395588.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 140284898 is about 11844.1925853981. The cubic root of 140284898 is about 519.6013932434.

The spelling of 140284898 in words is "one hundred forty million, two hundred eighty-four thousand, eight hundred ninety-eight".