1340305604 has 24 divisors (see below), whose sum is σ = 2559982656. Its totient is φ = 608940000.

The previous prime is 1340305601. The next prime is 1340305607. The reversal of 1340305604 is 4065030431.

It is an interprime number because it is at equal distance from previous prime (1340305601) and next prime (1340305607).

It is a super-2 number, since 2×1340305604² = 3592838224227609632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340305601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106274 + ... + 118214.

It is an arithmetic number, because the mean of its divisors is an integer number (106665944).

Almost surely, 2^1340305604 is an apocalyptic number.

It is an amenable number.

1340305604 is a deficient number, since it is larger than the sum of its proper divisors (1219677052).

1340305604 is a wasteful number, since it uses less digits than its factorization.

1340305604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14507 (or 14505 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1340305604 is about 36610.1844300189. The cubic root of 1340305604 is about 1102.5575761225.

The spelling of 1340305604 in words is "one billion, three hundred forty million, three hundred five thousand, six hundred four".