140341242 has 16 divisors (see below), whose sum is σ = 281054880. Its totient is φ = 46718352.

The previous prime is 140341241. The next prime is 140341321. The reversal of 140341242 is 242143041.

It is a super-2 number, since 2×140341242² = 39391328412205128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140341241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10492 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (17565930).

Almost surely, 2^140341242 is an apocalyptic number.

140341242 is an abundant number, since it is smaller than the sum of its proper divisors (140713638).

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

140341242 is a wasteful number, since it uses less digits than its factorization.

140341242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31037.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140341242 is about 11846.5708962552. The cubic root of 140341242 is about 519.6709481342.

Adding to 140341242 its reverse (242143041), we get a palindrome (382484283).

The spelling of 140341242 in words is "one hundred forty million, three hundred forty-one thousand, two hundred forty-two".