16540139033 has 8 divisors (see below), whose sum is σ = 18054632160. Its totient is φ = 15027453280.

The previous prime is 16540139029. The next prime is 16540139047. The reversal of 16540139033 is 33093104561.

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 16540139033 - 2² = 16540139029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16540138984 and 16540139002.

It is not an unprimeable number, because it can be changed into a prime (16540139093) 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, 432668 + ... + 469341.

It is an arithmetic number, because the mean of its divisors is an integer number (2256829020).

Almost surely, 2^16540139033 is an apocalyptic number.

It is an amenable number.

16540139033 is a deficient number, since it is larger than the sum of its proper divisors (1514493127).

16540139033 is a wasteful number, since it uses less digits than its factorization.

16540139033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903687.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 16540139033 in words is "sixteen billion, five hundred forty million, one hundred thirty-nine thousand, thirty-three".