1340010379 has 2 divisors, whose sum is σ = 1340010380. Its totient is φ = 1340010378.

The previous prime is 1340010341. The next prime is 1340010439. The reversal of 1340010379 is 9730100431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340010379 - 2²⁵ = 1306455947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340010779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670005189 + 670005190.

It is an arithmetic number, because the mean of its divisors is an integer number (670005190).

Almost surely, 2^1340010379 is an apocalyptic number.

1340010379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340010379 is an equidigital number, since it uses as much as digits as its factorization.

1340010379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1340010379 is about 36606.1522015084. The cubic root of 1340010379 is about 1102.4766178541.

The spelling of 1340010379 in words is "one billion, three hundred forty million, ten thousand, three hundred seventy-nine".