131334340 has 48 divisors (see below), whose sum is σ = 282401280. Its totient is φ = 51292800.

The previous prime is 131334337. The next prime is 131334353. The reversal of 131334340 is 43433131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159169 + ... + 159991.

It is an arithmetic number, because the mean of its divisors is an integer number (5883360).

Almost surely, 2^131334340 is an apocalyptic number.

131334340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131334340 is an abundant number, since it is smaller than the sum of its proper divisors (151066940).

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

131334340 is a wasteful number, since it uses less digits than its factorization.

131334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 131334340 is about 11460.1195456243. The cubic root of 131334340 is about 508.3070095360.

Adding to 131334340 its reverse (43433131), we get a palindrome (174767471).

It can be divided in two parts, 1313 and 34340, that added together give a palindrome (35653).

The spelling of 131334340 in words is "one hundred thirty-one million, three hundred thirty-four thousand, three hundred forty".