131632434 has 12 divisors (see below), whose sum is σ = 285203646. Its totient is φ = 43877472.

The previous prime is 131632409. The next prime is 131632441. The reversal of 131632434 is 434236131.

It can be written as a sum of positive squares in only one way, i.e., 78269409 + 53363025 = 8847^2 + 7305^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131632398 and 131632407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3656439 + ... + 3656474.

Almost surely, 2^131632434 is an apocalyptic number.

131632434 is an abundant number, since it is smaller than the sum of its proper divisors (153571212).

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

131632434 is a wasteful number, since it uses less digits than its factorization.

131632434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312921 (or 7312918 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 131632434 is about 11473.1178848646. The cubic root of 131632434 is about 508.6912928211.

Adding to 131632434 its reverse (434236131), we get a palindrome (565868565).

The spelling of 131632434 in words is "one hundred thirty-one million, six hundred thirty-two thousand, four hundred thirty-four".