16265135 has 4 divisors (see below), whose sum is σ = 19518168. Its totient is φ = 13012104.

The previous prime is 16265131. The next prime is 16265147. The reversal of 16265135 is 53156261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53156261 = 181 ⋅293681.

It is a cyclic number.

It is not a de Polignac number, because 16265135 - 2² = 16265131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16265098 and 16265107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16265131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626509 + ... + 1626518.

It is an arithmetic number, because the mean of its divisors is an integer number (4879542).

Almost surely, 2^16265135 is an apocalyptic number.

16265135 is a deficient number, since it is larger than the sum of its proper divisors (3253033).

16265135 is an equidigital number, since it uses as much as digits as its factorization.

16265135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253032.

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

The square root of 16265135 is about 4033.0057029466. The cubic root of 16265135 is about 253.3684633108.

The spelling of 16265135 in words is "sixteen million, two hundred sixty-five thousand, one hundred thirty-five".