1536121532 has 48 divisors (see below), whose sum is σ = 3062344320. Its totient is φ = 667800000.

The previous prime is 1536121427. The next prime is 1536121537. The reversal of 1536121532 is 2351216351.

It is a super-2 number, since 2×1536121532² = 4719338722148054048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1536121495 and 1536121504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536121537) by changing a digit.

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, 130907 + ... + 142157.

It is an arithmetic number, because the mean of its divisors is an integer number (63798840).

Almost surely, 2^1536121532 is an apocalyptic number.

It is an amenable number.

1536121532 is a deficient number, since it is larger than the sum of its proper divisors (1526222788).

1536121532 is a wasteful number, since it uses less digits than its factorization.

1536121532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402 (or 11400 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 1536121532 is about 39193.3863298389. The cubic root of 1536121532 is about 1153.8300859078.

Adding to 1536121532 its reverse (2351216351), we get a palindrome (3887337883).

The spelling of 1536121532 in words is "one billion, five hundred thirty-six million, one hundred twenty-one thousand, five hundred thirty-two".