140455400 has 48 divisors (see below), whose sum is σ = 332121600. Its totient is φ = 55225280.

The previous prime is 140455397. The next prime is 140455417. The reversal of 140455400 is 4554041.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5849 + ... + 17751.

It is an arithmetic number, because the mean of its divisors is an integer number (6919200).

Almost surely, 2^140455400 is an apocalyptic number.

140455400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140455400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166060800).

140455400 is an abundant number, since it is smaller than the sum of its proper divisors (191666200).

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

140455400 is a wasteful number, since it uses less digits than its factorization.

140455400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978 (or 11969 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 140455400 is about 11851.3881043530. The cubic root of 140455400 is about 519.8118155347.

The spelling of 140455400 in words is "one hundred forty million, four hundred fifty-five thousand, four hundred".