2132154 has 12 divisors (see below), whose sum is σ = 4619706. Its totient is φ = 710712.

The previous prime is 2132153. The next prime is 2132171. The reversal of 2132154 is 4512312.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 15129 = 1455^2 + 123^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 118453 = 2132154 / (2 + 1 + 3 + 2 + 1 + 5 + 4).

It is not an unprimeable number, because it can be changed into a prime (2132153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59209 + ... + 59244.

2^2132154 is an apocalyptic number.

2132154 is an abundant number, since it is smaller than the sum of its proper divisors (2487552).

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

2132154 is a wasteful number, since it uses less digits than its factorization.

2132154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118461 (or 118458 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2132154 is about 1460.1897137016. The cubic root of 2132154 is about 128.7081920371.

Adding to 2132154 its reverse (4512312), we get a palindrome (6644466).

The spelling of 2132154 in words is "two million, one hundred thirty-two thousand, one hundred fifty-four".