2138754 has 32 divisors (see below), whose sum is σ = 4582080. Its totient is φ = 663552.

The previous prime is 2138749. The next prime is 2138789. The reversal of 2138754 is 4578312.

2138754 is nontrivially palindromic in base 4.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 3⁹ + 8 + 7⁴ + 5⁵ + 4⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8194 + ... + 8450.

It is an arithmetic number, because the mean of its divisors is an integer number (143190).

2^2138754 is an apocalyptic number.

2138754 is an abundant number, since it is smaller than the sum of its proper divisors (2443326).

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

2138754 is a wasteful number, since it uses less digits than its factorization.

2138754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its digits is 6720, while the sum is 30.

The square root of 2138754 is about 1462.4479477916. The cubic root of 2138754 is about 128.8408589813.

The spelling of 2138754 in words is "two million, one hundred thirty-eight thousand, seven hundred fifty-four".