1390340001 has 4 divisors (see below), whose sum is σ = 1853786672. Its totient is φ = 926893332.

The previous prime is 1390339961. The next prime is 1390340059. The reversal of 1390340001 is 1000430931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1390340001 - 2¹¹ = 1390337953 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 1390340001.

It is not an unprimeable number, because it can be changed into a prime (1390340701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231723331 + ... + 231723336.

It is an arithmetic number, because the mean of its divisors is an integer number (463446668).

Almost surely, 2^1390340001 is an apocalyptic number.

It is an amenable number.

1390340001 is a deficient number, since it is larger than the sum of its proper divisors (463446671).

1390340001 is an equidigital number, since it uses as much as digits as its factorization.

1390340001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463446670.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1390340001 is about 37287.2632543607. The cubic root of 1390340001 is about 1116.1100171277.

Adding to 1390340001 its reverse (1000430931), we get a palindrome (2390770932).

The spelling of 1390340001 in words is "one billion, three hundred ninety million, three hundred forty thousand, one".