2140154 has 8 divisors (see below), whose sum is σ = 3297108. Its totient is φ = 1041120.

The previous prime is 2140139. The next prime is 2140157. The reversal of 2140154 is 4510412.

It can be written as a sum of positive squares in 2 ways, for example, as 1885129 + 255025 = 1373^2 + 505^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2140157) 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, 14387 + ... + 14534.

2^2140154 is an apocalyptic number.

2140154 is a deficient number, since it is larger than the sum of its proper divisors (1156954).

2140154 is a wasteful number, since it uses less digits than its factorization.

2140154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28960.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2140154 is about 1462.9265190022. The cubic root of 2140154 is about 128.8689653552.

Adding to 2140154 its reverse (4510412), we get a palindrome (6650566).

The spelling of 2140154 in words is "two million, one hundred forty thousand, one hundred fifty-four".