2138177 has 4 divisors (see below), whose sum is σ = 2159040. Its totient is φ = 2117316.

The previous prime is 2138167. The next prime is 2138189. The reversal of 2138177 is 7718312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2138177 - 2⁸ = 2137921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2138137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10277 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (539760).

2^2138177 is an apocalyptic number.

It is an amenable number.

2138177 is a deficient number, since it is larger than the sum of its proper divisors (20863).

2138177 is a wasteful number, since it uses less digits than its factorization.

2138177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20862.

The product of its digits is 2352, while the sum is 29.

The square root of 2138177 is about 1462.2506625063. The cubic root of 2138177 is about 128.8292715707.

The spelling of 2138177 in words is "two million, one hundred thirty-eight thousand, one hundred seventy-seven".