33407920139 has 8 divisors (see below), whose sum is σ = 36447055920. Its totient is φ = 30369126400.

The previous prime is 33407920129. The next prime is 33407920151. The reversal of 33407920139 is 93102970433.

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 33407920139 - 2²⁸ = 33139484683 is a prime.

It is a super-2 number, since 2×33407920139² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33407920096 and 33407920105.

It is not an unprimeable number, because it can be changed into a prime (33407920129) 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, 145979 + ... + 296859.

It is an arithmetic number, because the mean of its divisors is an integer number (4555881990).

Almost surely, 2^33407920139 is an apocalyptic number.

33407920139 is a deficient number, since it is larger than the sum of its proper divisors (3039135781).

33407920139 is a wasteful number, since it uses less digits than its factorization.

33407920139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171021.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 33407920139 in words is "thirty-three billion, four hundred seven million, nine hundred twenty thousand, one hundred thirty-nine".