131453316 has 72 divisors (see below), whose sum is σ = 353414880. Its totient is φ = 41054976.

The previous prime is 131453297. The next prime is 131453323. The reversal of 131453316 is 613354131.

It is a self number, because there is not a number n which added to its sum of digits gives 131453316.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212055 + ... + 212673.

It is an arithmetic number, because the mean of its divisors is an integer number (4908540).

Almost surely, 2^131453316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131453316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176707440).

131453316 is an abundant number, since it is smaller than the sum of its proper divisors (221961564).

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

131453316 is a wasteful number, since it uses less digits than its factorization.

131453316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 988 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 131453316 is about 11465.3092413593. The cubic root of 131453316 is about 508.4604552686.

It can be divided in two parts, 131453 and 316, that added together give a square (131769 = 363²).

The spelling of 131453316 in words is "one hundred thirty-one million, four hundred fifty-three thousand, three hundred sixteen".