13605600740 has 12 divisors (see below), whose sum is σ = 28571761596. Its totient is φ = 5442240288.

The previous prime is 13605600739. The next prime is 13605600781. The reversal of 13605600740 is 4700650631.

It can be written as a sum of positive squares in 2 ways, for example, as 2432265124 + 11173335616 = 49318^2 + 105704^2 .

It is a super-2 number, since 2×13605600740² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13605600697 and 13605600706.

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, 340139999 + ... + 340140038.

It is an arithmetic number, because the mean of its divisors is an integer number (2380980133).

Almost surely, 2^13605600740 is an apocalyptic number.

13605600740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13605600740 is an abundant number, since it is smaller than the sum of its proper divisors (14966160856).

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

13605600740 is a wasteful number, since it uses less digits than its factorization.

13605600740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680280046 (or 680280044 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 13605600740 in words is "thirteen billion, six hundred five million, six hundred thousand, seven hundred forty".