1340521832 has 32 divisors (see below), whose sum is σ = 2709352800. Its totient is φ = 618124224.

The previous prime is 1340521829. The next prime is 1340521841. The reversal of 1340521832 is 2381250431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1340521795 and 1340521804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118019 + ... + 128877.

It is an arithmetic number, because the mean of its divisors is an integer number (84667275).

Almost surely, 2^1340521832 is an apocalyptic number.

It is an amenable number.

1340521832 is an abundant number, since it is smaller than the sum of its proper divisors (1368830968).

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

1340521832 is a wasteful number, since it uses less digits than its factorization.

1340521832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065 (or 12061 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1340521832 is about 36613.1374236079. The cubic root of 1340521832 is about 1102.6168638451.

The spelling of 1340521832 in words is "one billion, three hundred forty million, five hundred twenty-one thousand, eight hundred thirty-two".