1980134 has 8 divisors (see below), whose sum is σ = 3198720. Its totient is φ = 913896.

The previous prime is 1980113. The next prime is 1980169. The reversal of 1980134 is 4310891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 76159 = 1980134 / (1 + 9 + 8 + 0 + 1 + 3 + 4).

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 3 ways as a sum of consecutive naturals, for example, 38054 + ... + 38105.

It is an arithmetic number, because the mean of its divisors is an integer number (399840).

2^1980134 is an apocalyptic number.

1980134 is a deficient number, since it is larger than the sum of its proper divisors (1218586).

1980134 is a wasteful number, since it uses less digits than its factorization.

1980134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76174.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1980134 is about 1407.1723419681. The cubic root of 1980134 is about 125.5735562407.

The spelling of 1980134 in words is "one million, nine hundred eighty thousand, one hundred thirty-four".