1534534620 has 48 divisors (see below), whose sum is σ = 4522842240. Its totient is φ = 387671616.

The previous prime is 1534534619. The next prime is 1534534637. The reversal of 1534534620 is 264354351.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 671902 + ... + 674181.

It is an arithmetic number, because the mean of its divisors is an integer number (94225880).

Almost surely, 2^1534534620 is an apocalyptic number.

1534534620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534534620 is an abundant number, since it is smaller than the sum of its proper divisors (2988307620).

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

1534534620 is a wasteful number, since it uses less digits than its factorization.

1534534620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346114 (or 1346112 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 1534534620 is about 39173.1364585477. The cubic root of 1534534620 is about 1153.4326221967.

Adding to 1534534620 its reverse (264354351), we get a palindrome (1798888971).

The spelling of 1534534620 in words is "one billion, five hundred thirty-four million, five hundred thirty-four thousand, six hundred twenty".