140123522 has 32 divisors (see below), whose sum is σ = 262656000. Its totient is φ = 54467280.

The previous prime is 140123519. The next prime is 140123579. The reversal of 140123522 is 225321041.

It is a junction number, because it is equal to n+sod(n) for n = 140123494 and 140123503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92729 + ... + 94227.

It is an arithmetic number, because the mean of its divisors is an integer number (8208000).

Almost surely, 2^140123522 is an apocalyptic number.

140123522 is a deficient number, since it is larger than the sum of its proper divisors (122532478).

140123522 is a wasteful number, since it uses less digits than its factorization.

140123522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140123522 is about 11837.3781725516. The cubic root of 140123522 is about 519.4020765463.

Adding to 140123522 its reverse (225321041), we get a palindrome (365444563).

The spelling of 140123522 in words is "one hundred forty million, one hundred twenty-three thousand, five hundred twenty-two".