140786000121 has 64 divisors (see below), whose sum is σ = 209277573120. Its totient is φ = 83633472000.

The previous prime is 140786000087. The next prime is 140786000137. The reversal of 140786000121 is 121000687041.

It is not a de Polignac number, because 140786000121 - 2⁶ = 140786000057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140786000141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91956126 + ... + 91957656.

It is an arithmetic number, because the mean of its divisors is an integer number (3269962080).

Almost surely, 2^140786000121 is an apocalyptic number.

140786000121 is the 200561-st nonagonal number.

It is an amenable number.

140786000121 is a deficient number, since it is larger than the sum of its proper divisors (68491572999).

140786000121 is a wasteful number, since it uses less digits than its factorization.

140786000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158.

The product of its (nonzero) digits is 2688, while the sum is 30.

Adding to 140786000121 its reverse (121000687041), we get a palindrome (261786687162).

The spelling of 140786000121 in words is "one hundred forty billion, seven hundred eighty-six million, one hundred twenty-one", and thus it is an aban number.