2138072 has 8 divisors (see below), whose sum is σ = 4008900. Its totient is φ = 1069032.

The previous prime is 2138033. The next prime is 2138093. The reversal of 2138072 is 2708312.

2138072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133622 + ... + 133637.

2^2138072 is an apocalyptic number.

It is an amenable number.

2138072 is a deficient number, since it is larger than the sum of its proper divisors (1870828).

2138072 is a wasteful number, since it uses less digits than its factorization.

2138072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267265 (or 267261 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2138072 is about 1462.2147585085. The cubic root of 2138072 is about 128.8271627190.

The spelling of 2138072 in words is "two million, one hundred thirty-eight thousand, seventy-two".