1340994600 has 432 divisors, whose sum is σ = 5094048960. Its totient is φ = 315744000.

The previous prime is 1340994593. The next prime is 1340994607. The reversal of 1340994600 is 64990431.

1340994600 is a `hidden beast` number, since 1 + 3 + 40 + 9 + 9 + 4 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (1340994593) and next prime (1340994607).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1340994607) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 10236535 + ... + 10236665.

It is an arithmetic number, because the mean of its divisors is an integer number (11791780).

Almost surely, 2^1340994600 is an apocalyptic number.

1340994600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340994600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2547024480).

1340994600 is an abundant number, since it is smaller than the sum of its proper divisors (3753054360).

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

1340994600 is a wasteful number, since it uses less digits than its factorization.

1340994600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1340994600 is about 36619.5931162540. The cubic root of 1340994600 is about 1102.7464702636.

The spelling of 1340994600 in words is "one billion, three hundred forty million, nine hundred ninety-four thousand, six hundred".