131073536 has 120 divisors (see below), whose sum is σ = 310901976. Its totient is φ = 54558720.

The previous prime is 131073529. The next prime is 131073637. The reversal of 131073536 is 635370131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131073499 and 131073508.

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, 3542510 + ... + 3542546.

Almost surely, 2^131073536 is an apocalyptic number.

131073536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131073536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155450988).

131073536 is an abundant number, since it is smaller than the sum of its proper divisors (179828440).

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

131073536 is an equidigital number, since it uses as much as digits as its factorization.

131073536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 131073536 is about 11448.7351266417. The cubic root of 131073536 is about 507.9703208734.

The spelling of 131073536 in words is "one hundred thirty-one million, seventy-three thousand, five hundred thirty-six".