1340330254 has 16 divisors (see below), whose sum is σ = 2067184800. Its totient is φ = 651309984.

The previous prime is 1340330249. The next prime is 1340330263. The reversal of 1340330254 is 4520330431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58152 + ... + 77860.

It is an arithmetic number, because the mean of its divisors is an integer number (129199050).

Almost surely, 2^1340330254 is an apocalyptic number.

1340330254 is a deficient number, since it is larger than the sum of its proper divisors (726854546).

1340330254 is a wasteful number, since it uses less digits than its factorization.

1340330254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20667.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1340330254 is about 36610.5210834263. The cubic root of 1340330254 is about 1102.5643352471.

Adding to 1340330254 its reverse (4520330431), we get a palindrome (5860660685).

The spelling of 1340330254 in words is "one billion, three hundred forty million, three hundred thirty thousand, two hundred fifty-four".