131784736821413 has 16 divisors (see below), whose sum is σ = 147135145985856. Its totient is φ = 117250553573760.

The previous prime is 131784736821383. The next prime is 131784736821457. The reversal of 131784736821413 is 314128637487131.

It is a happy number.

It is not a de Polignac number, because 131784736821413 - 2²² = 131784732627109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131784736821613) 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, 1489419095 + ... + 1489507572.

It is an arithmetic number, because the mean of its divisors is an integer number (9195946624116).

Almost surely, 2^{131784736821413} is an apocalyptic number.

131784736821413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131784736821413 is a deficient number, since it is larger than the sum of its proper divisors (15350409164443).

131784736821413 is a wasteful number, since it uses less digits than its factorization.

131784736821413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978926804.

The product of its digits is 16257024, while the sum is 59.

The spelling of 131784736821413 in words is "one hundred thirty-one trillion, seven hundred eighty-four billion, seven hundred thirty-six million, eight hundred twenty-one thousand, four hundred thirteen".