2153140165 has 16 divisors (see below), whose sum is σ = 2823019776. Its totient is φ = 1563496000.

The previous prime is 2153140139. The next prime is 2153140169. The reversal of 2153140165 is 5610413512.

It is a de Polignac number, because none of the positive numbers 2^k-2153140165 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 (2153140169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5940 + ... + 65890.

It is an arithmetic number, because the mean of its divisors is an integer number (176438736).

Almost surely, 2^2153140165 is an apocalyptic number.

It is an amenable number.

2153140165 is a deficient number, since it is larger than the sum of its proper divisors (669879611).

2153140165 is a wasteful number, since it uses less digits than its factorization.

2153140165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60620.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2153140165 is about 46401.9413925754. The cubic root of 2153140165 is about 1291.2909307304.

Adding to 2153140165 its reverse (5610413512), we get a palindrome (7763553677).

The spelling of 2153140165 in words is "two billion, one hundred fifty-three million, one hundred forty thousand, one hundred sixty-five".