1390690006 has 8 divisors (see below), whose sum is σ = 2086328160. Its totient is φ = 695247288.

The previous prime is 1390689991. The next prime is 1390690019. The reversal of 1390690006 is 6000960931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29541 + ... + 60448.

It is an arithmetic number, because the mean of its divisors is an integer number (260791020).

Almost surely, 2^1390690006 is an apocalyptic number.

1390690006 is a deficient number, since it is larger than the sum of its proper divisors (695638154).

1390690006 is an equidigital number, since it uses as much as digits as its factorization.

1390690006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97718.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1390690006 is about 37291.9563176833. The cubic root of 1390690006 is about 1116.2036659978.

The spelling of 1390690006 in words is "one billion, three hundred ninety million, six hundred ninety thousand, six".