1634789132 has 12 divisors (see below), whose sum is σ = 2862962256. Its totient is φ = 816799920.

The previous prime is 1634789119. The next prime is 1634789137. The reversal of 1634789132 is 2319874361.

It is a super-2 number, since 2×1634789132² = 5345071012210626848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1634789137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142448 + ... + 153495.

It is an arithmetic number, because the mean of its divisors is an integer number (238580188).

Almost surely, 2^1634789132 is an apocalyptic number.

It is an amenable number.

1634789132 is a deficient number, since it is larger than the sum of its proper divisors (1228173124).

1634789132 is a wasteful number, since it uses less digits than its factorization.

1634789132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297328 (or 297326 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1634789132 is about 40432.5256693173. The cubic root of 1634789132 is about 1178.0233910281.

The spelling of 1634789132 in words is "one billion, six hundred thirty-four million, seven hundred eighty-nine thousand, one hundred thirty-two".