6136565640 has 64 divisors (see below), whose sum is σ = 18431487360. Its totient is φ = 1634480640.

The previous prime is 6136565629. The next prime is 6136565663. The reversal of 6136565640 is 465656316.

It is a junction number, because it is equal to n+sod(n) for n = 6136565592 and 6136565601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73005 + ... + 132675.

It is an arithmetic number, because the mean of its divisors is an integer number (287991990).

Almost surely, 2^6136565640 is an apocalyptic number.

6136565640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6136565640 is an abundant number, since it is smaller than the sum of its proper divisors (12294921720).

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

6136565640 is a wasteful number, since it uses less digits than its factorization.

6136565640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60542 (or 60538 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 6136565640 is about 78336.2345278352. The cubic root of 6136565640 is about 1830.8037557420.

The spelling of 6136565640 in words is "six billion, one hundred thirty-six million, five hundred sixty-five thousand, six hundred forty".