2137426 has 4 divisors (see below), whose sum is σ = 3206142. Its totient is φ = 1068712.

The previous prime is 2137423. The next prime is 2137441. The reversal of 2137426 is 6247312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836025 + 301401 = 1355^2 + 549^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2137426.

It is not an unprimeable number, because it can be changed into a prime (2137423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534355 + ... + 534358.

2^2137426 is an apocalyptic number.

2137426 is a deficient number, since it is larger than the sum of its proper divisors (1068716).

2137426 is a wasteful number, since it uses less digits than its factorization.

2137426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068715.

The product of its digits is 2016, while the sum is 25.

The square root of 2137426 is about 1461.9938440363. The cubic root of 2137426 is about 128.8141867403.

The spelling of 2137426 in words is "two million, one hundred thirty-seven thousand, four hundred twenty-six".