131234460 has 96 divisors (see below), whose sum is σ = 421865472. Its totient is φ = 29859840.

The previous prime is 131234459. The next prime is 131234461. The reversal of 131234460 is 64432131.

It is an interprime number because it is at equal distance from previous prime (131234459) and next prime (131234461).

It is a self number, because there is not a number n which added to its sum of digits gives 131234460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131234461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113244 + ... + 114396.

It is an arithmetic number, because the mean of its divisors is an integer number (4394432).

Almost surely, 2^131234460 is an apocalyptic number.

131234460 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 131234460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210932736).

131234460 is an abundant number, since it is smaller than the sum of its proper divisors (290631012).

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

131234460 is a wasteful number, since it uses less digits than its factorization.

131234460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 131234460 is about 11455.7609961102. The cubic root of 131234460 is about 508.1781207277.

Adding to 131234460 its reverse (64432131), we get a palindrome (195666591).

The spelling of 131234460 in words is "one hundred thirty-one million, two hundred thirty-four thousand, four hundred sixty".