33906335139 has 6 divisors (see below), whose sum is σ = 48975817436. Its totient is φ = 22604223420.

The previous prime is 33906335137. The next prime is 33906335143. The reversal of 33906335139 is 93153360933.

33906335139 is a `hidden beast` number, since 3 + 3 + 9 + 0 + 633 + 5 + 1 + 3 + 9 = 666.

It is not a de Polignac number, because 33906335139 - 2¹ = 33906335137 is a prime.

It is a super-2 number, since 2×33906335139² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33906335094 and 33906335103.

It is not an unprimeable number, because it can be changed into a prime (33906335137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1883685277 + ... + 1883685294.

Almost surely, 2^33906335139 is an apocalyptic number.

33906335139 is a deficient number, since it is larger than the sum of its proper divisors (15069482297).

33906335139 is a wasteful number, since it uses less digits than its factorization.

33906335139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767370577 (or 3767370574 counting only the distinct ones).

The product of its (nonzero) digits is 590490, while the sum is 45.

The spelling of 33906335139 in words is "thirty-three billion, nine hundred six million, three hundred thirty-five thousand, one hundred thirty-nine".