140155430220187 has 2 divisors, whose sum is σ = 140155430220188. Its totient is φ = 140155430220186.

The previous prime is 140155430220133. The next prime is 140155430220263. The reversal of 140155430220187 is 781022034551041.

It is a weak prime.

It is an emirp because it is prime and its reverse (781022034551041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140155430220187 - 2⁷ = 140155430220059 is a prime.

It is not a weakly prime, because it can be changed into another prime (140155430221187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077715110093 + 70077715110094.

It is an arithmetic number, because the mean of its divisors is an integer number (70077715110094).

Almost surely, 2^{140155430220187} is an apocalyptic number.

140155430220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155430220187 is an equidigital number, since it uses as much as digits as its factorization.

140155430220187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 140155430220187 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred thirty million, two hundred twenty thousand, one hundred eighty-seven".