1629456136 has 32 divisors (see below), whose sum is σ = 3809119680. Its totient is φ = 634852800.

The previous prime is 1629456121. The next prime is 1629456161. The reversal of 1629456136 is 6316549261.

It is a junction number, because it is equal to n+sod(n) for n = 1629456092 and 1629456101.

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 7 ways as a sum of consecutive naturals, for example, 1321995 + ... + 1323226.

It is an arithmetic number, because the mean of its divisors is an integer number (119034990).

Almost surely, 2^1629456136 is an apocalyptic number.

It is an amenable number.

1629456136 is an abundant number, since it is smaller than the sum of its proper divisors (2179663544).

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

1629456136 is a wasteful number, since it uses less digits than its factorization.

1629456136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645245 (or 2645241 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 1629456136 is about 40366.5224660237. The cubic root of 1629456136 is about 1176.7410160772.

The spelling of 1629456136 in words is "one billion, six hundred twenty-nine million, four hundred fifty-six thousand, one hundred thirty-six".