366140587 has 2 divisors, whose sum is σ = 366140588. Its totient is φ = 366140586.

The previous prime is 366140581. The next prime is 366140623. The reversal of 366140587 is 785041663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 366140587 - 2¹⁹ = 365616299 is a prime.

It is not a weakly prime, because it can be changed into another prime (366140581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183070293 + 183070294.

It is an arithmetic number, because the mean of its divisors is an integer number (183070294).

Almost surely, 2^366140587 is an apocalyptic number.

366140587 is a deficient number, since it is larger than the sum of its proper divisors (1).

366140587 is an equidigital number, since it uses as much as digits as its factorization.

366140587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 366140587 is about 19134.8004170412. The cubic root of 366140587 is about 715.4005853460.

The spelling of 366140587 in words is "three hundred sixty-six million, one hundred forty thousand, five hundred eighty-seven".