3140461521 has 12 divisors (see below), whose sum is σ = 4540626948. Its totient is φ = 2091608064.

The previous prime is 3140461481. The next prime is 3140461529. The reversal of 3140461521 is 1251640413.

It is a happy number.

3140461521 is a `hidden beast` number, since 3 + 1 + 40 + 4 + 615 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2914380225 + 226081296 = 53985^2 + 15036^2 .

It is not a de Polignac number, because 3140461521 - 2⁷ = 3140461393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3140461529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159600 + ... + 178193.

It is an arithmetic number, because the mean of its divisors is an integer number (378385579).

Almost surely, 2^3140461521 is an apocalyptic number.

It is an amenable number.

3140461521 is a deficient number, since it is larger than the sum of its proper divisors (1400165427).

3140461521 is a wasteful number, since it uses less digits than its factorization.

3140461521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338832 (or 338829 counting only the distinct ones).

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

The square root of 3140461521 is about 56039.8208508914. The cubic root of 3140461521 is about 1464.4160906900.

The spelling of 3140461521 in words is "three billion, one hundred forty million, four hundred sixty-one thousand, five hundred twenty-one".