131340032 has 18 divisors (see below), whose sum is σ = 262167528. Its totient is φ = 65669888.

The previous prime is 131340023. The next prime is 131340049. The reversal of 131340032 is 230043131.

It is a happy number.

131340032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131340032² = 34500408011522048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256268 + ... + 256779.

Almost surely, 2^131340032 is an apocalyptic number.

It is an amenable number.

131340032 is a deficient number, since it is larger than the sum of its proper divisors (130827496).

131340032 is an frugal number, since it uses more digits than its factorization.

131340032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513063 (or 513049 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131340032 is about 11460.3678824024. The cubic root of 131340032 is about 508.3143527327.

Adding to 131340032 its reverse (230043131), we get a palindrome (361383163).

The spelling of 131340032 in words is "one hundred thirty-one million, three hundred forty thousand, thirty-two".