1390338967 has 8 divisors (see below), whose sum is σ = 1440537840. Its totient is φ = 1340290560.

The previous prime is 1390338959. The next prime is 1390338979. The reversal of 1390338967 is 7698330931.

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

It is a cyclic number.

It is not a de Polignac number, because 1390338967 - 2³ = 1390338959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390338967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390336967) 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 in 7 ways as a sum of consecutive naturals, for example, 18634 + ... + 55927.

It is an arithmetic number, because the mean of its divisors is an integer number (180067230).

Almost surely, 2^1390338967 is an apocalyptic number.

1390338967 is a deficient number, since it is larger than the sum of its proper divisors (50198873).

1390338967 is an equidigital number, since it uses as much as digits as its factorization.

1390338967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75233.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 1390338967 is about 37287.2493890338. The cubic root of 1390338967 is about 1116.1097404428.

The spelling of 1390338967 in words is "one billion, three hundred ninety million, three hundred thirty-eight thousand, nine hundred sixty-seven".