131871134 has 16 divisors (see below), whose sum is σ = 208816080. Its totient is φ = 62458776.

The previous prime is 131871127. The next prime is 131871137. The reversal of 131871134 is 431178131.

It is a junction number, because it is equal to n+sod(n) for n = 131871097 and 131871106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131871137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8912 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (13051005).

Almost surely, 2^131871134 is an apocalyptic number.

131871134 is a deficient number, since it is larger than the sum of its proper divisors (76944946).

131871134 is an frugal number, since it uses more digits than its factorization.

131871134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672 (or 9634 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 131871134 is about 11483.5157508491. The cubic root of 131871134 is about 508.9985911703.

The spelling of 131871134 in words is "one hundred thirty-one million, eight hundred seventy-one thousand, one hundred thirty-four".