140605140651 has 8 divisors (see below), whose sum is σ = 187576366080. Its totient is φ = 93685337832.

The previous prime is 140605140647. The next prime is 140605140673. The reversal of 140605140651 is 156041506041.

140605140651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140605140651 - 2² = 140605140647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140605140601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12849271 + ... + 12860208.

It is an arithmetic number, because the mean of its divisors is an integer number (23447045760).

Almost surely, 2^140605140651 is an apocalyptic number.

140605140651 is a deficient number, since it is larger than the sum of its proper divisors (46971225429).

140605140651 is a wasteful number, since it uses less digits than its factorization.

140605140651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25711305.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 140605140651 its reverse (156041506041), we get a palindrome (296646646692).

The spelling of 140605140651 in words is "one hundred forty billion, six hundred five million, one hundred forty thousand, six hundred fifty-one".