131406903 has 6 divisors (see below), whose sum is σ = 189809984. Its totient is φ = 87604596.

The previous prime is 131406887. The next prime is 131406929. The reversal of 131406903 is 309604131.

It is not a de Polignac number, because 131406903 - 2⁴ = 131406887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131406953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7300375 + ... + 7300392.

Almost surely, 2^131406903 is an apocalyptic number.

131406903 is a deficient number, since it is larger than the sum of its proper divisors (58403081).

131406903 is a wasteful number, since it uses less digits than its factorization.

131406903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14600773 (or 14600770 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 131406903 is about 11463.2850003827. The cubic root of 131406903 is about 508.4006065106.

The spelling of 131406903 in words is "one hundred thirty-one million, four hundred six thousand, nine hundred three".