1340561622 has 16 divisors (see below), whose sum is σ = 2838836592. Its totient is φ = 420568320.

The previous prime is 1340561611. The next prime is 1340561623. The reversal of 1340561622 is 2261650431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340561622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340561623) 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, 6571279 + ... + 6571482.

It is an arithmetic number, because the mean of its divisors is an integer number (177427287).

Almost surely, 2^1340561622 is an apocalyptic number.

1340561622 is an abundant number, since it is smaller than the sum of its proper divisors (1498274970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340561622 is a wasteful number, since it uses less digits than its factorization.

1340561622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142783.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1340561622 is about 36613.6808037651. The cubic root of 1340561622 is about 1102.6277732014.

The spelling of 1340561622 in words is "one billion, three hundred forty million, five hundred sixty-one thousand, six hundred twenty-two".