1340928090730 has 32 divisors (see below), whose sum is σ = 2542770236160. Its totient is φ = 507728295360.

The previous prime is 1340928090703. The next prime is 1340928090757. The reversal of 1340928090730 is 370908290431.

It is an interprime number because it is at equal distance from previous prime (1340928090703) and next prime (1340928090757).

It is a super-3 number, since 3×1340928090730³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2632689 + ... + 3100468.

It is an arithmetic number, because the mean of its divisors is an integer number (79461569880).

Almost surely, 2^{1340928090730} is an apocalyptic number.

1340928090730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340928090730 is a deficient number, since it is larger than the sum of its proper divisors (1201842145430).

1340928090730 is a wasteful number, since it uses less digits than its factorization.

1340928090730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734414.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1340928090730 in words is "one trillion, three hundred forty billion, nine hundred twenty-eight million, ninety thousand, seven hundred thirty".