2132145517 has 4 divisors (see below), whose sum is σ = 2224847520. Its totient is φ = 2039443516.

The previous prime is 2132145493. The next prime is 2132145523. The reversal of 2132145517 is 7155412312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132145517 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 (2132145527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46350967 + ... + 46351012.

It is an arithmetic number, because the mean of its divisors is an integer number (556211880).

Almost surely, 2^2132145517 is an apocalyptic number.

It is an amenable number.

2132145517 is a deficient number, since it is larger than the sum of its proper divisors (92702003).

2132145517 is an equidigital number, since it uses as much as digits as its factorization.

2132145517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92702002.

The product of its digits is 8400, while the sum is 31.

The square root of 2132145517 is about 46175.1612558094. The cubic root of 2132145517 is about 1287.0802134382.

Adding to 2132145517 its reverse (7155412312), we get a palindrome (9287557829).

The spelling of 2132145517 in words is "two billion, one hundred thirty-two million, one hundred forty-five thousand, five hundred seventeen".