140341236 has 72 divisors (see below), whose sum is σ = 381326400. Its totient is φ = 39352320.

The previous prime is 140341231. The next prime is 140341241. The reversal of 140341236 is 632143041.

It is an interprime number because it is at equal distance from previous prime (140341231) and next prime (140341241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140341231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312340 + ... + 312788.

It is an arithmetic number, because the mean of its divisors is an integer number (5296200).

Almost surely, 2^140341236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140341236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190663200).

140341236 is an abundant number, since it is smaller than the sum of its proper divisors (240985164).

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

140341236 is a wasteful number, since it uses less digits than its factorization.

140341236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 140341236 is about 11846.5706430173. The cubic root of 140341236 is about 519.6709407283.

Adding to 140341236 its reverse (632143041), we get a palindrome (772484277).

The spelling of 140341236 in words is "one hundred forty million, three hundred forty-one thousand, two hundred thirty-six".