131435047 has 8 divisors (see below), whose sum is σ = 139130640. Its totient is φ = 123950400.

The previous prime is 131435023. The next prime is 131435069. The reversal of 131435047 is 740534131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131435047 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 (131435147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51454 + ... + 53947.

It is an arithmetic number, because the mean of its divisors is an integer number (17391330).

Almost surely, 2^131435047 is an apocalyptic number.

131435047 is a deficient number, since it is larger than the sum of its proper divisors (7695593).

131435047 is a wasteful number, since it uses less digits than its factorization.

131435047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105473.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 131435047 is about 11464.5125059900. The cubic root of 131435047 is about 508.4368993917.

Adding to 131435047 its reverse (740534131), we get a palindrome (871969178).

The spelling of 131435047 in words is "one hundred thirty-one million, four hundred thirty-five thousand, forty-seven".