2137590 has 160 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 435456.

The previous prime is 2137571. The next prime is 2137613. The reversal of 2137590 is 957312.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 73696 + ... + 73724.

It is an arithmetic number, because the mean of its divisors is an integer number (45738).

2^2137590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2137590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3659040).

2137590 is an abundant number, since it is smaller than the sum of its proper divisors (5180490).

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

2137590 is a wasteful number, since it uses less digits than its factorization.

2137590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2137590 is about 1462.0499307479. The cubic root of 2137590 is about 128.8174811992.

The spelling of 2137590 in words is "two million, one hundred thirty-seven thousand, five hundred ninety".