140081587 has 2 divisors, whose sum is σ = 140081588. Its totient is φ = 140081586.

The previous prime is 140081563. The next prime is 140081611. The reversal of 140081587 is 785180041.

It is a balanced prime because it is at equal distance from previous prime (140081563) and next prime (140081611).

It is a cyclic number.

It is not a de Polignac number, because 140081587 - 2²⁷ = 5863859 is a prime.

It is not a weakly prime, because it can be changed into another prime (140081537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70040793 + 70040794.

It is an arithmetic number, because the mean of its divisors is an integer number (70040794).

Almost surely, 2^140081587 is an apocalyptic number.

140081587 is a deficient number, since it is larger than the sum of its proper divisors (1).

140081587 is an equidigital number, since it uses as much as digits as its factorization.

140081587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 140081587 is about 11835.6067440584. The cubic root of 140081587 is about 519.3502572682.

The spelling of 140081587 in words is "one hundred forty million, eighty-one thousand, five hundred eighty-seven".