2138264 has 16 divisors (see below), whose sum is σ = 4183920. Its totient is φ = 1022560.

The previous prime is 2138263. The next prime is 2138291. The reversal of 2138264 is 4628312.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 3⁴ + 8⁵ + 2²¹ + 6 + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138263) 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, 5627 + ... + 5994.

It is an arithmetic number, because the mean of its divisors is an integer number (261495).

2^2138264 is an apocalyptic number.

It is an amenable number.

2138264 is a deficient number, since it is larger than the sum of its proper divisors (2045656).

2138264 is a wasteful number, since it uses less digits than its factorization.

2138264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11650 (or 11646 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2138264 is about 1462.2804108652. The cubic root of 2138264 is about 128.8310188527.

The spelling of 2138264 in words is "two million, one hundred thirty-eight thousand, two hundred sixty-four".