28267540135 has 16 divisors (see below), whose sum is σ = 34266159072. Its totient is φ = 22384080000.

The previous prime is 28267540099. The next prime is 28267540141. The reversal of 28267540135 is 53104576282.

It is not a de Polignac number, because 28267540135 - 2³³ = 19677605543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28267540091 and 28267540100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3253417 + ... + 3262093.

It is an arithmetic number, because the mean of its divisors is an integer number (2141634942).

Almost surely, 2^28267540135 is an apocalyptic number.

28267540135 is a deficient number, since it is larger than the sum of its proper divisors (5998618937).

28267540135 is a wasteful number, since it uses less digits than its factorization.

28267540135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 28267540135 in words is "twenty-eight billion, two hundred sixty-seven million, five hundred forty thousand, one hundred thirty-five".