131554332 has 108 divisors (see below), whose sum is σ = 411662160. Its totient is φ = 34684416.

The previous prime is 131554303. The next prime is 131554333. The reversal of 131554332 is 233455131.

It is a junction number, because it is equal to n+sod(n) for n = 131554296 and 131554305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131554333) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41044 + ... + 44132.

Almost surely, 2^131554332 is an apocalyptic number.

131554332 is a gapful number since it is divisible by the number (12) 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 131554332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205831080).

131554332 is an abundant number, since it is smaller than the sum of its proper divisors (280107828).

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

131554332 is a wasteful number, since it uses less digits than its factorization.

131554332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132 (or 3114 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 131554332 is about 11469.7136843079. The cubic root of 131554332 is about 508.5906649682.

The spelling of 131554332 in words is "one hundred thirty-one million, five hundred fifty-four thousand, three hundred thirty-two".