131150552 has 32 divisors (see below), whose sum is σ = 266196000. Its totient is φ = 60217344.

The previous prime is 131150527. The next prime is 131150573. The reversal of 131150552 is 255051131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17528 + ... + 23864.

It is an arithmetic number, because the mean of its divisors is an integer number (8318625).

Almost surely, 2^131150552 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 131150552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133098000).

131150552 is an abundant number, since it is smaller than the sum of its proper divisors (135045448).

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

131150552 is a wasteful number, since it uses less digits than its factorization.

131150552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555 (or 6551 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 131150552 is about 11452.0981483744. The cubic root of 131150552 is about 508.0697922173.

The spelling of 131150552 in words is "one hundred thirty-one million, one hundred fifty thousand, five hundred fifty-two".