2671136540 has 12 divisors (see below), whose sum is σ = 5609386776. Its totient is φ = 1068454608.

The previous prime is 2671136537. The next prime is 2671136561. The reversal of 2671136540 is 456311762.

It is a self number, because there is not a number n which added to its sum of digits gives 2671136540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66778394 + ... + 66778433.

It is an arithmetic number, because the mean of its divisors is an integer number (467448898).

Almost surely, 2^2671136540 is an apocalyptic number.

2671136540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2671136540 is an abundant number, since it is smaller than the sum of its proper divisors (2938250236).

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

2671136540 is a wasteful number, since it uses less digits than its factorization.

2671136540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133556836 (or 133556834 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2671136540 is about 51683.0391908216. The cubic root of 2671136540 is about 1387.4969254592.

The spelling of 2671136540 in words is "two billion, six hundred seventy-one million, one hundred thirty-six thousand, five hundred forty".