1945134 has 20 divisors (see below), whose sum is σ = 4358904. Its totient is φ = 648324.

The previous prime is 1945129. The next prime is 1945169. The reversal of 1945134 is 4315491.

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

It is a junction number, because it is equal to n+sod(n) for n = 1945098 and 1945107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5842 + ... + 6165.

2^1945134 is an apocalyptic number.

1945134 is an abundant number, since it is smaller than the sum of its proper divisors (2413770).

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

1945134 is a wasteful number, since it uses less digits than its factorization.

1945134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12021 (or 12012 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1945134 is about 1394.6806085983. The cubic root of 1945134 is about 124.8292923105.

The spelling of 1945134 in words is "one million, nine hundred forty-five thousand, one hundred thirty-four".