1340194000 has 40 divisors (see below), whose sum is σ = 3240593928. Its totient is φ = 536076800.

The previous prime is 1340193977. The next prime is 1340194003. The reversal of 1340194000 is 4910431.

It can be written as a sum of positive squares in 4 ways, for example, as 4145296 + 1336048704 = 2036^2 + 36552^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1340194000² = 3592239915272000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340194003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333049 + ... + 337048.

Almost surely, 2^1340194000 is an apocalyptic number.

1340194000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340194000 is an abundant number, since it is smaller than the sum of its proper divisors (1900399928).

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

1340194000 is an equidigital number, since it uses as much as digits as its factorization.

1340194000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670120 (or 670104 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1340194000 is about 36608.6601776137. The cubic root of 1340194000 is about 1102.5269728405.

The spelling of 1340194000 in words is "one billion, three hundred forty million, one hundred ninety-four thousand".