131075334 has 80 divisors (see below), whose sum is σ = 319759440. Its totient is φ = 39890880.

The previous prime is 131075333. The next prime is 131075363. The reversal of 131075334 is 433570131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131075298 and 131075307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131075333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 229269 + ... + 229839.

It is an arithmetic number, because the mean of its divisors is an integer number (3996993).

Almost surely, 2^131075334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131075334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159879720).

131075334 is an abundant number, since it is smaller than the sum of its proper divisors (188684106).

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

131075334 is a wasteful number, since it uses less digits than its factorization.

131075334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 131075334 is about 11448.8136503308. The cubic root of 131075334 is about 507.9726435555.

The spelling of 131075334 in words is "one hundred thirty-one million, seventy-five thousand, three hundred thirty-four".