140511913187 has 2 divisors, whose sum is σ = 140511913188. Its totient is φ = 140511913186.

The previous prime is 140511913183. The next prime is 140511913229. The reversal of 140511913187 is 781319115041.

It is a weak prime.

It is an emirp because it is prime and its reverse (781319115041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140511913187 - 2² = 140511913183 is a prime.

It is not a weakly prime, because it can be changed into another prime (140511913183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70255956593 + 70255956594.

It is an arithmetic number, because the mean of its divisors is an integer number (70255956594).

Almost surely, 2^140511913187 is an apocalyptic number.

140511913187 is a deficient number, since it is larger than the sum of its proper divisors (1).

140511913187 is an equidigital number, since it uses as much as digits as its factorization.

140511913187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 41.

The spelling of 140511913187 in words is "one hundred forty billion, five hundred eleven million, nine hundred thirteen thousand, one hundred eighty-seven".