140197400 has 96 divisors (see below), whose sum is σ = 374976000. Its totient is φ = 47752320.

The previous prime is 140197399. The next prime is 140197411. The reversal of 140197400 is 4791041.

It is a self number, because there is not a number n which added to its sum of digits gives 140197400.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 334391 + ... + 334809.

It is an arithmetic number, because the mean of its divisors is an integer number (3906000).

Almost surely, 2^140197400 is an apocalyptic number.

140197400 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 140197400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187488000).

140197400 is an abundant number, since it is smaller than the sum of its proper divisors (234778600).

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

140197400 is a wasteful number, since it uses less digits than its factorization.

140197400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 140197400 is about 11840.4983003250. The cubic root of 140197400 is about 519.4933427955.

The spelling of 140197400 in words is "one hundred forty million, one hundred ninety-seven thousand, four hundred".