131134356 has 48 divisors (see below), whose sum is σ = 344097600. Its totient is φ = 43181856.

The previous prime is 131134337. The next prime is 131134357. The reversal of 131134356 is 653431131.

131134356 is a `hidden beast` number, since 1 + 311 + 343 + 5 + 6 = 666.

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 (131134357) 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, 1650 + ... + 16278.

It is an arithmetic number, because the mean of its divisors is an integer number (7168700).

Almost surely, 2^131134356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131134356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172048800).

131134356 is an abundant number, since it is smaller than the sum of its proper divisors (212963244).

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

131134356 is a wasteful number, since it uses less digits than its factorization.

131134356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14725 (or 14717 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 131134356 is about 11451.3910072096. The cubic root of 131134356 is about 508.0488772282.

Adding to 131134356 its reverse (653431131), we get a palindrome (784565487).

The spelling of 131134356 in words is "one hundred thirty-one million, one hundred thirty-four thousand, three hundred fifty-six".