131346460 has 72 divisors (see below), whose sum is σ = 324281664. Its totient is φ = 44553600.

The previous prime is 131346443. The next prime is 131346461. The reversal of 131346460 is 64643131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131346461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98317 + ... + 99643.

It is an arithmetic number, because the mean of its divisors is an integer number (4503912).

Almost surely, 2^131346460 is an apocalyptic number.

131346460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131346460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162140832).

131346460 is an abundant number, since it is smaller than the sum of its proper divisors (192935204).

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

131346460 is a wasteful number, since it uses less digits than its factorization.

131346460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 131346460 is about 11460.6483237206. The cubic root of 131346460 is about 508.3226451812.

Adding to 131346460 its reverse (64643131), we get a palindrome (195989591).

The spelling of 131346460 in words is "one hundred thirty-one million, three hundred forty-six thousand, four hundred sixty".