2687134 has 4 divisors (see below), whose sum is σ = 4030704. Its totient is φ = 1343566.

The previous prime is 2687129. The next prime is 2687141. The reversal of 2687134 is 4317862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4317862 = 2 ⋅2158931.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2687096 and 2687105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671782 + ... + 671785.

It is an arithmetic number, because the mean of its divisors is an integer number (1007676).

2^2687134 is an apocalyptic number.

2687134 is a deficient number, since it is larger than the sum of its proper divisors (1343570).

2687134 is a wasteful number, since it uses less digits than its factorization.

2687134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343569.

The product of its digits is 8064, while the sum is 31.

The square root of 2687134 is about 1639.2479983212. The cubic root of 2687134 is about 139.0261324502.

The spelling of 2687134 in words is "two million, six hundred eighty-seven thousand, one hundred thirty-four".