1310539136920 has 64 divisors (see below), whose sum is σ = 3176490129120. Its totient is φ = 483746156544.

The previous prime is 1310539136917. The next prime is 1310539136947. The reversal of 1310539136920 is 296319350131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1363944 + ... + 2116936.

Almost surely, 2^{1310539136920} is an apocalyptic number.

1310539136920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310539136920 is an abundant number, since it is smaller than the sum of its proper divisors (1865950992200).

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

1310539136920 is a wasteful number, since it uses less digits than its factorization.

1310539136920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756364 (or 756360 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 1310539136920 in words is "one trillion, three hundred ten billion, five hundred thirty-nine million, one hundred thirty-six thousand, nine hundred twenty".