140140054135431 has 24 divisors (see below), whose sum is σ = 231349892552480. Its totient is φ = 80077406754816.

The previous prime is 140140054135409. The next prime is 140140054135439. The reversal of 140140054135431 is 134531450041041.

140140054135431 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 40 + 0 + 54 + 135 + 431 = 666.

It is not a de Polignac number, because 140140054135431 - 2¹¹ = 140140054133383 is a prime.

It is a super-2 number, since 2×140140054135431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140054135439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34508350 + ... + 38355003.

Almost surely, 2^{140140054135431} is an apocalyptic number.

140140054135431 is a deficient number, since it is larger than the sum of its proper divisors (91209838417049).

140140054135431 is a wasteful number, since it uses less digits than its factorization.

140140054135431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72893895 (or 72893892 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 140140054135431 in words is "one hundred forty trillion, one hundred forty billion, fifty-four million, one hundred thirty-five thousand, four hundred thirty-one".