131545326 has 64 divisors (see below), whose sum is σ = 301708800. Its totient is φ = 37847040.

The previous prime is 131545301. The next prime is 131545327. The reversal of 131545326 is 623545131.

It is a junction number, because it is equal to n+sod(n) for n = 131545293 and 131545302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131545327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292750 + ... + 293198.

It is an arithmetic number, because the mean of its divisors is an integer number (4714200).

Almost surely, 2^131545326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131545326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150854400).

131545326 is an abundant number, since it is smaller than the sum of its proper divisors (170163474).

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

131545326 is a wasteful number, since it uses less digits than its factorization.

131545326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681.

The product of its digits is 10800, while the sum is 30.

The square root of 131545326 is about 11469.3210784248. The cubic root of 131545326 is about 508.5790589344.

The spelling of 131545326 in words is "one hundred thirty-one million, five hundred forty-five thousand, three hundred twenty-six".