140341442 has 8 divisors (see below), whose sum is σ = 215646732. Its totient is φ = 68459200.

The previous prime is 140341441. The next prime is 140341447. The reversal of 140341442 is 244143041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119006281 + 21335161 = 10909^2 + 4619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140341441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855659 + ... + 855822.

Almost surely, 2^140341442 is an apocalyptic number.

140341442 is a deficient number, since it is larger than the sum of its proper divisors (75305290).

140341442 is a wasteful number, since it uses less digits than its factorization.

140341442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711524.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 140341442 is about 11846.5793375134. The cubic root of 140341442 is about 519.6711949947.

Adding to 140341442 its reverse (244143041), we get a palindrome (384484483).

The spelling of 140341442 in words is "one hundred forty million, three hundred forty-one thousand, four hundred forty-two".