2135170 has 16 divisors (see below), whose sum is σ = 3871800. Its totient is φ = 847744.

The previous prime is 2135167. The next prime is 2135173. The reversal of 2135170 is 715312.

It is an interprime number because it is at equal distance from previous prime (2135167) and next prime (2135173).

It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 494209 = 1281^2 + 703^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774 + ... + 2206.

2^2135170 is an apocalyptic number.

2135170 is a deficient number, since it is larger than the sum of its proper divisors (1736630).

2135170 is a wasteful number, since it uses less digits than its factorization.

2135170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 2135170 is about 1461.2220912647. Note that the first 3 decimals coincide. The cubic root of 2135170 is about 128.7688507290.

The spelling of 2135170 in words is "two million, one hundred thirty-five thousand, one hundred seventy".