131525046 has 80 divisors (see below), whose sum is σ = 306662400. Its totient is φ = 42103152.

The previous prime is 131525041. The next prime is 131525071. The reversal of 131525046 is 640525131.

131525046 is a `hidden beast` number, since 1 + 3 + 152 + 504 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131525041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 550195 + ... + 550433.

It is an arithmetic number, because the mean of its divisors is an integer number (3833280).

Almost surely, 2^131525046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131525046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153331200).

131525046 is an abundant number, since it is smaller than the sum of its proper divisors (175137354).

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

131525046 is a wasteful number, since it uses less digits than its factorization.

131525046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 131525046 is about 11468.4369466811. The cubic root of 131525046 is about 508.5529221553.

The spelling of 131525046 in words is "one hundred thirty-one million, five hundred twenty-five thousand, forty-six".