3140042461 has 4 divisors (see below), whose sum is σ = 3168850300. Its totient is φ = 3111234624.

The previous prime is 3140042453. The next prime is 3140042473. The reversal of 3140042461 is 1642400413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 825470361 + 2314572100 = 28731^2 + 48110^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140042461 - 2³ = 3140042453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140042401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14403756 + ... + 14403973.

It is an arithmetic number, because the mean of its divisors is an integer number (792212575).

Almost surely, 2^3140042461 is an apocalyptic number.

It is an amenable number.

3140042461 is a deficient number, since it is larger than the sum of its proper divisors (28807839).

3140042461 is a wasteful number, since it uses less digits than its factorization.

3140042461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28807838.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3140042461 is about 56036.0817777260. The cubic root of 3140042461 is about 1464.3509510599.

Adding to 3140042461 its reverse (1642400413), we get a palindrome (4782442874).

The spelling of 3140042461 in words is "three billion, one hundred forty million, forty-two thousand, four hundred sixty-one".