13528631237 has 8 divisors (see below), whose sum is σ = 15535270560. Its totient is φ = 11651452560.

The previous prime is 13528631209. The next prime is 13528631243. The reversal of 13528631237 is 73213682531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13528631237 - 2⁶ = 13528631173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13528631194 and 13528631203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528631287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32364938 + ... + 32365355.

It is an arithmetic number, because the mean of its divisors is an integer number (1941908820).

Almost surely, 2^13528631237 is an apocalyptic number.

It is an amenable number.

13528631237 is a deficient number, since it is larger than the sum of its proper divisors (2006639323).

13528631237 is a wasteful number, since it uses less digits than its factorization.

13528631237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64730323.

The product of its digits is 181440, while the sum is 41.

The spelling of 13528631237 in words is "thirteen billion, five hundred twenty-eight million, six hundred thirty-one thousand, two hundred thirty-seven".