1340040100187 has 2 divisors, whose sum is σ = 1340040100188. Its totient is φ = 1340040100186.

The previous prime is 1340040100169. The next prime is 1340040100229. The reversal of 1340040100187 is 7810010400431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340040100187 - 2¹² = 1340040096091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340940100187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670020050093 + 670020050094.

It is an arithmetic number, because the mean of its divisors is an integer number (670020050094).

Almost surely, 2^{1340040100187} is an apocalyptic number.

1340040100187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340040100187 is an equidigital number, since it uses as much as digits as its factorization.

1340040100187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 1340040100187 in words is "one trillion, three hundred forty billion, forty million, one hundred thousand, one hundred eighty-seven".