1340030145 has 8 divisors (see below), whose sum is σ = 2144048256. Its totient is φ = 714682736.

The previous prime is 1340030141. The next prime is 1340030161. The reversal of 1340030145 is 5410300431.

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 1340030145 - 2² = 1340030141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340030141) 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, 44667657 + ... + 44667686.

It is an arithmetic number, because the mean of its divisors is an integer number (268006032).

Almost surely, 2^1340030145 is an apocalyptic number.

1340030145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340030145 is a deficient number, since it is larger than the sum of its proper divisors (804018111).

1340030145 is an equidigital number, since it uses as much as digits as its factorization.

1340030145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89335351.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1340030145 is about 36606.4221824532. The cubic root of 1340030145 is about 1102.4820385698.

Adding to 1340030145 its reverse (5410300431), we get a palindrome (6750330576).

The spelling of 1340030145 in words is "one billion, three hundred forty million, thirty thousand, one hundred forty-five".