1309980238336 has 160 divisors (see below), whose sum is σ = 3292143896448. Its totient is φ = 505863536640.

The previous prime is 1309980238331. The next prime is 1309980238339. The reversal of 1309980238336 is 6338320899031.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1309980238331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4307886 + ... + 4601938.

Almost surely, 2^{1309980238336} is an apocalyptic number.

1309980238336 is a gapful number since it is divisible by the number (16) 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 1309980238336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646071948224).

1309980238336 is an abundant number, since it is smaller than the sum of its proper divisors (1982163658112).

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

1309980238336 is a wasteful number, since it uses less digits than its factorization.

1309980238336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294202 (or 294186 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 1309980238336 in words is "one trillion, three hundred nine billion, nine hundred eighty million, two hundred thirty-eight thousand, three hundred thirty-six".