140512226 has 8 divisors (see below), whose sum is σ = 210992364. Its totient is φ = 70181440.

The previous prime is 140512213. The next prime is 140512231. The reversal of 140512226 is 622215041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136305625 + 4206601 = 11675^2 + 2051^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34955 + ... + 38766.

Almost surely, 2^140512226 is an apocalyptic number.

140512226 is a deficient number, since it is larger than the sum of its proper divisors (70480138).

140512226 is an equidigital number, since it uses as much as digits as its factorization.

140512226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74676.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140512226 is about 11853.7853025943. The cubic root of 140512226 is about 519.8819085879.

Adding to 140512226 its reverse (622215041), we get a palindrome (762727267).

It can be divided in two parts, 1405 and 12226, that added together give a palindrome (13631).

The spelling of 140512226 in words is "one hundred forty million, five hundred twelve thousand, two hundred twenty-six".