1346990139648 has 108 divisors (see below), whose sum is σ = 3947372344188. Its totient is φ = 441636065280.

The previous prime is 1346990139611. The next prime is 1346990139661. The reversal of 1346990139648 is 8469310996431.

1346990139648 is a `hidden beast` number, since 13 + 469 + 90 + 1 + 39 + 6 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 98425257984 + 1248564881664 = 313728^2 + 1117392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4651515 + ... + 4932602.

Almost surely, 2^{1346990139648} is an apocalyptic number.

1346990139648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1346990139648 is an abundant number, since it is smaller than the sum of its proper divisors (2600382204540).

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

1346990139648 is an equidigital number, since it uses as much as digits as its factorization.

1346990139648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9584200 (or 9584183 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 1346990139648 in words is "one trillion, three hundred forty-six billion, nine hundred ninety million, one hundred thirty-nine thousand, six hundred forty-eight".