1340053045 has 8 divisors (see below), whose sum is σ = 1610673624. Its totient is φ = 1070302464.

The previous prime is 1340053037. The next prime is 1340053079. The reversal of 1340053045 is 5403500431.

It can be written as a sum of positive squares in 4 ways, for example, as 24830289 + 1315222756 = 4983^2 + 36266^2 .

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 1340053045 - 2³ = 1340053037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214104 + ... + 220273.

It is an arithmetic number, because the mean of its divisors is an integer number (201334203).

Almost surely, 2^1340053045 is an apocalyptic number.

It is an amenable number.

1340053045 is a deficient number, since it is larger than the sum of its proper divisors (270620579).

1340053045 is an equidigital number, since it uses as much as digits as its factorization.

1340053045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434999.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1340053045 is about 36606.7349677624. The cubic root of 1340053045 is about 1102.4883187009.

Adding to 1340053045 its reverse (5403500431), we get a palindrome (6743553476).

The spelling of 1340053045 in words is "one billion, three hundred forty million, fifty-three thousand, forty-five".