2136601320 has 64 divisors (see below), whose sum is σ = 7325493120. Its totient is φ = 488365824.

The previous prime is 2136601309. The next prime is 2136601333. The reversal of 2136601320 is 231066312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1270947 + ... + 1272626.

It is an arithmetic number, because the mean of its divisors is an integer number (114460830).

Almost surely, 2^2136601320 is an apocalyptic number.

2136601320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136601320 is an abundant number, since it is smaller than the sum of its proper divisors (5188891800).

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

2136601320 is a wasteful number, since it uses less digits than its factorization.

2136601320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543594 (or 2543590 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2136601320 is about 46223.3849907165. The cubic root of 2136601320 is about 1287.9761787835.

Adding to 2136601320 its reverse (231066312), we get a palindrome (2367667632).

The spelling of 2136601320 in words is "two billion, one hundred thirty-six million, six hundred one thousand, three hundred twenty".