140284400 has 30 divisors (see below), whose sum is σ = 337034232. Its totient is φ = 56113600.

The previous prime is 140284387. The next prime is 140284421. The reversal of 140284400 is 4482041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174956 + ... + 175755.

Almost surely, 2^140284400 is an apocalyptic number.

140284400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140284400 is an abundant number, since it is smaller than the sum of its proper divisors (196749832).

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

140284400 is a wasteful number, since it uses less digits than its factorization.

140284400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350729 (or 350718 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 140284400 is about 11844.1715624184. The cubic root of 140284400 is about 519.6007783951.

The spelling of 140284400 in words is "one hundred forty million, two hundred eighty-four thousand, four hundred".