1340370127 has 2 divisors, whose sum is σ = 1340370128. Its totient is φ = 1340370126.

The previous prime is 1340370107. The next prime is 1340370137. The reversal of 1340370127 is 7210730431.

It is a strong prime.

It is an emirp because it is prime and its reverse (7210730431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340370127 - 2⁷ = 1340369999 is a prime.

It is a super-2 number, since 2×1340370127² = 3593184154707992258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340370095 and 1340370104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340370107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670185063 + 670185064.

It is an arithmetic number, because the mean of its divisors is an integer number (670185064).

Almost surely, 2^1340370127 is an apocalyptic number.

1340370127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340370127 is an equidigital number, since it uses as much as digits as its factorization.

1340370127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1340370127 is about 36611.0656359522. The cubic root of 1340370127 is about 1102.5752684013.

The spelling of 1340370127 in words is "one billion, three hundred forty million, three hundred seventy thousand, one hundred twenty-seven".