140523226 has 8 divisors (see below), whose sum is σ = 215686944. Its totient is φ = 68627580.

The previous prime is 140523211. The next prime is 140523239. The reversal of 140523226 is 622325041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140523226.

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, 816910 + ... + 817081.

It is an arithmetic number, because the mean of its divisors is an integer number (26960868).

Almost surely, 2^140523226 is an apocalyptic number.

140523226 is a deficient number, since it is larger than the sum of its proper divisors (75163718).

140523226 is a wasteful number, since it uses less digits than its factorization.

140523226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634036.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 140523226 is about 11854.2492803214. The cubic root of 140523226 is about 519.8954745528.

Adding to 140523226 its reverse (622325041), we get a palindrome (762848267).

The spelling of 140523226 in words is "one hundred forty million, five hundred twenty-three thousand, two hundred twenty-six".