140200640 has 112 divisors (see below), whose sum is σ = 357274368. Its totient is φ = 52276224.

The previous prime is 140200603. The next prime is 140200667. The reversal of 140200640 is 46002041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316259 + ... + 316701.

Almost surely, 2^140200640 is an apocalyptic number.

140200640 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 140200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178637184).

140200640 is an abundant number, since it is smaller than the sum of its proper divisors (217073728).

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

140200640 is a wasteful number, since it uses less digits than its factorization.

140200640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140200640 is about 11840.6351181007. The cubic root of 140200640 is about 519.4973446421.

Adding to 140200640 its reverse (46002041), we get a palindrome (186202681).

The spelling of 140200640 in words is "one hundred forty million, two hundred thousand, six hundred forty".