131528034 has 48 divisors (see below), whose sum is σ = 312328224. Its totient is φ = 39672000.

The previous prime is 131528003. The next prime is 131528057. The reversal of 131528034 is 430825131.

It is a happy number.

131528034 is a `hidden beast` number, since 131 + 528 + 0 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 131527989 and 131528007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44709 + ... + 47559.

It is an arithmetic number, because the mean of its divisors is an integer number (6506838).

Almost surely, 2^131528034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131528034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156164112).

131528034 is an abundant number, since it is smaller than the sum of its proper divisors (180800190).

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

131528034 is a wasteful number, since it uses less digits than its factorization.

131528034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 131528034 is about 11468.5672165271. The cubic root of 131528034 is about 508.5567732459.

The spelling of 131528034 in words is "one hundred thirty-one million, five hundred twenty-eight thousand, thirty-four".