140352215044 has 12 divisors (see below), whose sum is σ = 248148504604. Its totient is φ = 69452642304.

The previous prime is 140352214997. The next prime is 140352215071. The reversal of 140352215044 is 440512253041.

It can be written as a sum of positive squares in 2 ways, for example, as 31768784644 + 108583430400 = 178238^2 + 329520^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140352214997 and 140352215015.

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, 180865869 + ... + 180866644.

Almost surely, 2^140352215044 is an apocalyptic number.

It is an amenable number.

140352215044 is a deficient number, since it is larger than the sum of its proper divisors (107796289560).

140352215044 is a wasteful number, since it uses less digits than its factorization.

140352215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361732614 (or 361732612 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 140352215044 its reverse (440512253041), we get a palindrome (580864468085).

The spelling of 140352215044 in words is "one hundred forty billion, three hundred fifty-two million, two hundred fifteen thousand, forty-four".