140140276381 has 32 divisors (see below), whose sum is σ = 163373126400. Its totient is φ = 117738593280.

The previous prime is 140140276379. The next prime is 140140276391. The reversal of 140140276381 is 183672041041.

It is not a de Polignac number, because 140140276381 - 2¹ = 140140276379 is a prime.

It is a super-2 number, since 2×140140276381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140140276381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140276301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56989530 + ... + 56991988.

It is an arithmetic number, because the mean of its divisors is an integer number (5105410200).

Almost surely, 2^140140276381 is an apocalyptic number.

It is an amenable number.

140140276381 is a deficient number, since it is larger than the sum of its proper divisors (23232850019).

140140276381 is a wasteful number, since it uses less digits than its factorization.

140140276381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 140140276381 in words is "one hundred forty billion, one hundred forty million, two hundred seventy-six thousand, three hundred eighty-one".