140112818 has 4 divisors (see below), whose sum is σ = 210169230. Its totient is φ = 70056408.

The previous prime is 140112811. The next prime is 140112853. The reversal of 140112818 is 818211041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 818211041 = 19 ⋅43063739.

It can be written as a sum of positive squares in only one way, i.e., 111028369 + 29084449 = 10537^2 + 5393^2 .

It is a super-2 number, since 2×140112818² = 39263203535802248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140112811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35028203 + ... + 35028206.

Almost surely, 2^140112818 is an apocalyptic number.

140112818 is a deficient number, since it is larger than the sum of its proper divisors (70056412).

140112818 is an equidigital number, since it uses as much as digits as its factorization.

140112818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70056411.

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 140112818 is about 11836.9260367715. The cubic root of 140112818 is about 519.3888505456.

Adding to 140112818 its reverse (818211041), we get a palindrome (958323859).

The spelling of 140112818 in words is "one hundred forty million, one hundred twelve thousand, eight hundred eighteen".