140904398 has 8 divisors (see below), whose sum is σ = 223789392. Its totient is φ = 66307936.

The previous prime is 140904397. The next prime is 140904403. The reversal of 140904398 is 893409041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140904397) 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, 2072090 + ... + 2072157.

It is an arithmetic number, because the mean of its divisors is an integer number (27973674).

Almost surely, 2^140904398 is an apocalyptic number.

140904398 is a deficient number, since it is larger than the sum of its proper divisors (82884994).

140904398 is a wasteful number, since it uses less digits than its factorization.

140904398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144266.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 140904398 is about 11870.3158340459. The cubic root of 140904398 is about 520.3651257115.

The spelling of 140904398 in words is "one hundred forty million, nine hundred four thousand, three hundred ninety-eight".