2130154 has 8 divisors (see below), whose sum is σ = 3441060. Its totient is φ = 983136.

The previous prime is 2130133. The next prime is 2130169. The reversal of 2130154 is 4510312.

It can be written as a sum of positive squares in 2 ways, for example, as 1885129 + 245025 = 1373^2 + 495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40939 + ... + 40990.

2^2130154 is an apocalyptic number.

2130154 is a deficient number, since it is larger than the sum of its proper divisors (1310906).

2130154 is a wasteful number, since it uses less digits than its factorization.

2130154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81944.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2130154 is about 1459.5047105097. The cubic root of 2130154 is about 128.6679358903.

Adding to 2130154 its reverse (4510312), we get a palindrome (6640466).

The spelling of 2130154 in words is "two million, one hundred thirty thousand, one hundred fifty-four".