131913046128 has 20 divisors (see below), whose sum is σ = 340775369288. Its totient is φ = 43971015360.

The previous prime is 131913046123. The next prime is 131913046151. The reversal of 131913046128 is 821640319131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131913046121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374094183 + ... + 1374094278.

Almost surely, 2^131913046128 is an apocalyptic number.

It is an amenable number.

131913046128 is an abundant number, since it is smaller than the sum of its proper divisors (208862323160).

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

131913046128 is a wasteful number, since it uses less digits than its factorization.

131913046128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748188472 (or 2748188466 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 131913046128 in words is "one hundred thirty-one billion, nine hundred thirteen million, forty-six thousand, one hundred twenty-eight".