140725687 has 2 divisors, whose sum is σ = 140725688. Its totient is φ = 140725686.

The previous prime is 140725667. The next prime is 140725691. The reversal of 140725687 is 786527041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140725687 - 2²⁷ = 6507959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140725667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70362843 + 70362844.

It is an arithmetic number, because the mean of its divisors is an integer number (70362844).

Almost surely, 2^140725687 is an apocalyptic number.

140725687 is a deficient number, since it is larger than the sum of its proper divisors (1).

140725687 is an equidigital number, since it uses as much as digits as its factorization.

140725687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 140725687 is about 11862.7858026688. The cubic root of 140725687 is about 520.1450372055.

The spelling of 140725687 in words is "one hundred forty million, seven hundred twenty-five thousand, six hundred eighty-seven".