140240522 has 16 divisors (see below), whose sum is σ = 223231680. Its totient is φ = 65933472.

The previous prime is 140240479. The next prime is 140240533. The reversal of 140240522 is 225042041.

It is a happy number.

140240522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140240494 and 140240503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23123 + ... + 28550.

It is an arithmetic number, because the mean of its divisors is an integer number (13951980).

Almost surely, 2^140240522 is an apocalyptic number.

140240522 is a deficient number, since it is larger than the sum of its proper divisors (82991158).

140240522 is a wasteful number, since it uses less digits than its factorization.

140240522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51757.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140240522 is about 11842.3191140925. The cubic root of 140240522 is about 519.5465993598.

Adding to 140240522 its reverse (225042041), we get a palindrome (365282563).

The spelling of 140240522 in words is "one hundred forty million, two hundred forty thousand, five hundred twenty-two".