140725714631 has 4 divisors (see below), whose sum is σ = 140728404264. Its totient is φ = 140723025000.

The previous prime is 140725714543. The next prime is 140725714637. The reversal of 140725714631 is 136417527041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136417527041 = 161123 ⋅846667.

It is a cyclic number.

It is not a de Polignac number, because 140725714631 - 2²⁶ = 140658605767 is a prime.

It is a super-2 number, since 2×140725714631² (a number of 23 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 (140725714637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264745 + ... + 1371506.

It is an arithmetic number, because the mean of its divisors is an integer number (35182101066).

Almost surely, 2^140725714631 is an apocalyptic number.

140725714631 is a deficient number, since it is larger than the sum of its proper divisors (2689633).

140725714631 is an equidigital number, since it uses as much as digits as its factorization.

140725714631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689632.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 140725714631 in words is "one hundred forty billion, seven hundred twenty-five million, seven hundred fourteen thousand, six hundred thirty-one".