1340626234 has 8 divisors (see below), whose sum is σ = 2022981408. Its totient is φ = 666299100.

The previous prime is 1340626211. The next prime is 1340626253. The reversal of 1340626234 is 4326260431.

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

It is a junction number, because it is equal to n+sod(n) for n = 1340626196 and 1340626205.

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 3 ways as a sum of consecutive naturals, for example, 2006592 + ... + 2007259.

It is an arithmetic number, because the mean of its divisors is an integer number (252872676).

Almost surely, 2^1340626234 is an apocalyptic number.

1340626234 is a deficient number, since it is larger than the sum of its proper divisors (682355174).

1340626234 is a wasteful number, since it uses less digits than its factorization.

1340626234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014020.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1340626234 is about 36614.5631409143. The cubic root of 1340626234 is about 1102.6454876280.

Adding to 1340626234 its reverse (4326260431), we get a palindrome (5666886665).

The spelling of 1340626234 in words is "one billion, three hundred forty million, six hundred twenty-six thousand, two hundred thirty-four".