2135187 has 16 divisors (see below), whose sum is σ = 3266560. Its totient is φ = 1377000.

The previous prime is 2135173. The next prime is 2135191. The reversal of 2135187 is 7815312.

It is not a de Polignac number, because 2135187 - 2¹⁴ = 2118803 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135187.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (204160).

2^2135187 is an apocalyptic number.

2135187 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2135187 is a deficient number, since it is larger than the sum of its proper divisors (1131373).

2135187 is a wasteful number, since it uses less digits than its factorization.

2135187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2585 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 2135187 is about 1461.2279083018. The cubic root of 2135187 is about 128.7691924762.

The spelling of 2135187 in words is "two million, one hundred thirty-five thousand, one hundred eighty-seven".