1969812134 has 8 divisors (see below), whose sum is σ = 3128525208. Its totient is φ = 926970400.

The previous prime is 1969812133. The next prime is 1969812197. The reversal of 1969812134 is 4312189691.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969812133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28967792 + ... + 28967859.

It is an arithmetic number, because the mean of its divisors is an integer number (391065651).

Almost surely, 2^1969812134 is an apocalyptic number.

1969812134 is a deficient number, since it is larger than the sum of its proper divisors (1158713074).

1969812134 is a wasteful number, since it uses less digits than its factorization.

1969812134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57935670.

The product of its digits is 93312, while the sum is 44.

The square root of 1969812134 is about 44382.5656536438. The cubic root of 1969812134 is about 1253.5498313351.

The spelling of 1969812134 in words is "one billion, nine hundred sixty-nine million, eight hundred twelve thousand, one hundred thirty-four".