131403532 has 12 divisors (see below), whose sum is σ = 247645216. Its totient is φ = 60647760.

The previous prime is 131403527. The next prime is 131403583. The reversal of 131403532 is 235304131.

131403532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263444 + ... + 1263547.

Almost surely, 2^131403532 is an apocalyptic number.

It is an amenable number.

131403532 is a deficient number, since it is larger than the sum of its proper divisors (116241684).

131403532 is a wasteful number, since it uses less digits than its factorization.

131403532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527008 (or 2527006 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 131403532 is about 11463.1379647983. The cubic root of 131403532 is about 508.3962591157.

Adding to 131403532 its reverse (235304131), we get a palindrome (366707663).

The spelling of 131403532 in words is "one hundred thirty-one million, four hundred three thousand, five hundred thirty-two".