1340551258 has 8 divisors (see below), whose sum is σ = 2011009140. Its totient is φ = 670214880.

The previous prime is 1340551253. The next prime is 1340551279. The reversal of 1340551258 is 8521550431.

It can be written as a sum of positive squares in 2 ways, for example, as 1303426609 + 37124649 = 36103^2 + 6093^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1340551253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5848 + ... + 52108.

Almost surely, 2^1340551258 is an apocalyptic number.

1340551258 is a deficient number, since it is larger than the sum of its proper divisors (670457882).

1340551258 is a wasteful number, since it uses less digits than its factorization.

1340551258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60752.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 1340551258 is about 36613.5392716957. The cubic root of 1340551258 is about 1102.6249316899.

The spelling of 1340551258 in words is "one billion, three hundred forty million, five hundred fifty-one thousand, two hundred fifty-eight".