13532872730 has 24 divisors (see below), whose sum is σ = 26377093692. Its totient is φ = 4996752384.

The previous prime is 13532872723. The next prime is 13532872757. The reversal of 13532872730 is 3727823531.

It can be written as a sum of positive squares in 6 ways, for example, as 2411693881 + 11121178849 = 49109^2 + 105457^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4002119 + ... + 4005498.

Almost surely, 2^13532872730 is an apocalyptic number.

13532872730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13532872730 is a deficient number, since it is larger than the sum of its proper divisors (12844220962).

13532872730 is a wasteful number, since it uses less digits than its factorization.

13532872730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007650 (or 8007637 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 13532872730 in words is "thirteen billion, five hundred thirty-two million, eight hundred seventy-two thousand, seven hundred thirty".