140512 has 12 divisors (see below), whose sum is σ = 276696. Its totient is φ = 70240.

The previous prime is 140477. The next prime is 140521. The reversal of 140512 is 215041.

It is a junction number, because it is equal to n+sod(n) for n = 140492 and 140501.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2164 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (23058).

2¹⁴⁰⁵¹² is an apocalyptic number.

It is an amenable number.

140512 is a deficient number, since it is larger than the sum of its proper divisors (136184).

140512 is an equidigital number, since it uses as much as digits as its factorization.

140512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 140512 is about 374.8493030539. The cubic root of 140512 is about 51.9881629862.

Adding to 140512 its reverse (215041), we get a palindrome (355553).

Subtracting 140512 from its reverse (215041), we obtain a square (74529 = 273²).

The spelling of 140512 in words is "one hundred forty thousand, five hundred twelve".