131706137852 has 36 divisors (see below), whose sum is σ = 238493258640. Its totient is φ = 63639766080.

The previous prime is 131706137831. The next prime is 131706137881. The reversal of 131706137852 is 258731607131.

131706137852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2771024 + ... + 2818152.

It is an arithmetic number, because the mean of its divisors is an integer number (6624812740).

Almost surely, 2^131706137852 is an apocalyptic number.

It is an amenable number.

131706137852 is a deficient number, since it is larger than the sum of its proper divisors (106787120788).

131706137852 is a wasteful number, since it uses less digits than its factorization.

131706137852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47922 (or 47889 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 131706137852 in words is "one hundred thirty-one billion, seven hundred six million, one hundred thirty-seven thousand, eight hundred fifty-two".