1340740366 has 8 divisors (see below), whose sum is σ = 2298412080. Its totient is φ = 574603008.

The previous prime is 1340740361. The next prime is 1340740393. The reversal of 1340740366 is 6630470431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340740361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47883571 + ... + 47883598.

It is an arithmetic number, because the mean of its divisors is an integer number (287301510).

Almost surely, 2^1340740366 is an apocalyptic number.

1340740366 is a deficient number, since it is larger than the sum of its proper divisors (957671714).

1340740366 is an equidigital number, since it uses as much as digits as its factorization.

1340740366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95767178.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 1340740366 is about 36616.1216679211. The cubic root of 1340740366 is about 1102.6767773741.

The spelling of 1340740366 in words is "one billion, three hundred forty million, seven hundred forty thousand, three hundred sixty-six".