940131522 has 126 divisors (see below), whose sum is σ = 2356286121. Its totient is φ = 280985760.

The previous prime is 940131503. The next prime is 940131523. The reversal of 940131522 is 225131049.

940131522 is a `hidden beast` number, since 9 + 4 + 0 + 131 + 522 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 935809281 + 4322241 = 30591^2 + 2079^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21681.

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

It is not an unprimeable number, because it can be changed into a prime (940131523) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 12878478 + ... + 12878550.

Almost surely, 2^940131522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940131522

940131522 is an abundant number, since it is smaller than the sum of its proper divisors (1416154599).

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

940131522 is an equidigital number, since it uses as much as digits as its factorization.

940131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 940131522 is about 30661.5642458111. The cubic root of 940131522 is about 979.6317935084.

The spelling of 940131522 in words is "nine hundred forty million, one hundred thirty-one thousand, five hundred twenty-two".