16135035391 has 8 divisors (see below), whose sum is σ = 17006235120. Its totient is φ = 15266034432.

The previous prime is 16135035317. The next prime is 16135035419. The reversal of 16135035391 is 19353053161.

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

It is a cyclic number.

It is not a de Polignac number, because 16135035391 - 2¹⁹ = 16134511103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16135035391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16135035991) 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, 534610 + ... + 563983.

It is an arithmetic number, because the mean of its divisors is an integer number (2125779390).

Almost surely, 2^16135035391 is an apocalyptic number.

16135035391 is a deficient number, since it is larger than the sum of its proper divisors (871199729).

16135035391 is a wasteful number, since it uses less digits than its factorization.

16135035391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099385.

The product of its (nonzero) digits is 36450, while the sum is 37.

The spelling of 16135035391 in words is "sixteen billion, one hundred thirty-five million, thirty-five thousand, three hundred ninety-one".