131346832 has 20 divisors (see below), whose sum is σ = 256346316. Its totient is φ = 65192960.

The previous prime is 131346779. The next prime is 131346833. The reversal of 131346832 is 238643131.

It can be written as a sum of positive squares in 2 ways, for example, as 87310336 + 44036496 = 9344^2 + 6636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131346794 and 131346803.

It is not an unprimeable number, because it can be changed into a prime (131346833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27769 + ... + 32152.

Almost surely, 2^131346832 is an apocalyptic number.

It is an amenable number.

131346832 is a deficient number, since it is larger than the sum of its proper divisors (124999484).

131346832 is a wasteful number, since it uses less digits than its factorization.

131346832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60066 (or 60060 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 131346832 is about 11460.6645531575. The cubic root of 131346832 is about 508.3231250720.

Adding to 131346832 its reverse (238643131), we get a palindrome (369989963).

The spelling of 131346832 in words is "one hundred thirty-one million, three hundred forty-six thousand, eight hundred thirty-two".