2158132 has 6 divisors (see below), whose sum is σ = 3776738. Its totient is φ = 1079064.

The previous prime is 2158129. The next prime is 2158139. The reversal of 2158132 is 2318512.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 630436 = 1236^2 + 794^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269763 + ... + 269770.

2^2158132 is an apocalyptic number.

It is an amenable number.

2158132 is a deficient number, since it is larger than the sum of its proper divisors (1618606).

2158132 is a wasteful number, since it uses less digits than its factorization.

2158132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539537 (or 539535 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 2158132 is about 1469.0582017061. The cubic root of 2158132 is about 129.2288069139.

The spelling of 2158132 in words is "two million, one hundred fifty-eight thousand, one hundred thirty-two".