2137266 has 40 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 699192.

The previous prime is 2137259. The next prime is 2137273. The reversal of 2137266 is 6627312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2137259) and next prime (2137273).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12715 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2^2137266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2439360).

2137266 is an abundant number, since it is smaller than the sum of its proper divisors (2741454).

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

2137266 is a wasteful number, since it uses less digits than its factorization.

2137266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 251 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2137266 is about 1461.9391232196. The cubic root of 2137266 is about 128.8109724716.

The spelling of 2137266 in words is "two million, one hundred thirty-seven thousand, two hundred sixty-six".