131334632 has 48 divisors (see below), whose sum is σ = 290926080. Its totient is φ = 55099200.

The previous prime is 131334617. The next prime is 131334641. The reversal of 131334632 is 236433131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 10457 + ... + 19287.

It is an arithmetic number, because the mean of its divisors is an integer number (6060960).

Almost surely, 2^131334632 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 131334632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145463040).

131334632 is an abundant number, since it is smaller than the sum of its proper divisors (159591448).

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

131334632 is a wasteful number, since it uses less digits than its factorization.

131334632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874 (or 8857 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 131334632 is about 11460.1322854494. The cubic root of 131334632 is about 508.3073862476.

Adding to 131334632 its reverse (236433131), we get a palindrome (367767763).

The spelling of 131334632 in words is "one hundred thirty-one million, three hundred thirty-four thousand, six hundred thirty-two".