1340573685 has 32 divisors (see below), whose sum is σ = 2356784640. Its totient is φ = 645288000.

The previous prime is 1340573683. The next prime is 1340573687. The reversal of 1340573685 is 5863750431.

It is an interprime number because it is at equal distance from previous prime (1340573683) and next prime (1340573687).

It is not a de Polignac number, because 1340573685 - 2¹ = 1340573683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340573683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6291 + ... + 52160.

It is an arithmetic number, because the mean of its divisors is an integer number (73649520).

Almost surely, 2^1340573685 is an apocalyptic number.

1340573685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340573685 is a deficient number, since it is larger than the sum of its proper divisors (1016210955).

1340573685 is a wasteful number, since it uses less digits than its factorization.

1340573685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58609.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 1340573685 is about 36613.8455369004. The cubic root of 1340573685 is about 1102.6310805115.

The spelling of 1340573685 in words is "one billion, three hundred forty million, five hundred seventy-three thousand, six hundred eighty-five".