131434461 has 16 divisors (see below), whose sum is σ = 194966400. Its totient is φ = 87511104.

The previous prime is 131434453. The next prime is 131434483. The reversal of 131434461 is 164434131.

131434461 is a `hidden beast` number, since 1 + 314 + 344 + 6 + 1 = 666.

It is not a de Polignac number, because 131434461 - 2³ = 131434453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22165 + ... + 27461.

It is an arithmetic number, because the mean of its divisors is an integer number (12185400).

Almost surely, 2^131434461 is an apocalyptic number.

It is an amenable number.

131434461 is a deficient number, since it is larger than the sum of its proper divisors (63531939).

131434461 is an equidigital number, since it uses as much as digits as its factorization.

131434461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225 (or 6219 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 131434461 is about 11464.4869488346. The cubic root of 131434461 is about 508.4361437727.

Adding to 131434461 its reverse (164434131), we get a palindrome (295868592).

The spelling of 131434461 in words is "one hundred thirty-one million, four hundred thirty-four thousand, four hundred sixty-one".