2138675 has 36 divisors (see below), whose sum is σ = 3364368. Its totient is φ = 1320000.

The previous prime is 2138671. The next prime is 2138677. The reversal of 2138675 is 5768312.

It is a happy number.

It is not a de Polignac number, because 2138675 - 2² = 2138671 is a prime.

Its product of digits (10080) is a multiple of the sum of its prime factors (140).

It is not an unprimeable number, because it can be changed into a prime (2138671) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21125 + ... + 21225.

2^2138675 is an apocalyptic number.

2138675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2138675 is a deficient number, since it is larger than the sum of its proper divisors (1225693).

2138675 is a wasteful number, since it uses less digits than its factorization.

2138675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 124 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 2138675 is about 1462.4209380339. The cubic root of 2138675 is about 128.8392726132.

It can be divided in two parts, 213 and 8675, that added together give a palindrome (8888).

The spelling of 2138675 in words is "two million, one hundred thirty-eight thousand, six hundred seventy-five".