140625450656 has 12 divisors (see below), whose sum is σ = 276856356042. Its totient is φ = 70312725312.

The previous prime is 140625450649. The next prime is 140625450703. The reversal of 140625450656 is 656054526041.

It can be written as a sum of positive squares in only one way, i.e., 126579408400 + 14046042256 = 355780^2 + 118516^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197272635 + ... + 2197272698.

Almost surely, 2^140625450656 is an apocalyptic number.

140625450656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140625450656 is a deficient number, since it is larger than the sum of its proper divisors (136230905386).

140625450656 is an equidigital number, since it uses as much as digits as its factorization.

140625450656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394545343 (or 4394545335 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 140625450656 its reverse (656054526041), we get a palindrome (796679976697).

The spelling of 140625450656 in words is "one hundred forty billion, six hundred twenty-five million, four hundred fifty thousand, six hundred fifty-six".