1390140106 has 8 divisors (see below), whose sum is σ = 2087563680. Its totient is φ = 694285548.

The previous prime is 1390140097. The next prime is 1390140113. The reversal of 1390140106 is 6010410931.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390036 + ... + 393583.

It is an arithmetic number, because the mean of its divisors is an integer number (260945460).

Almost surely, 2^1390140106 is an apocalyptic number.

1390140106 is a deficient number, since it is larger than the sum of its proper divisors (697423574).

1390140106 is an equidigital number, since it uses as much as digits as its factorization.

1390140106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784508.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1390140106 is about 37284.5826850724. The cubic root of 1390140106 is about 1116.0565252948.

The spelling of 1390140106 in words is "one billion, three hundred ninety million, one hundred forty thousand, one hundred six".