32408156139 has 16 divisors (see below), whose sum is σ = 44155937280. Its totient is φ = 21133441440.

The previous prime is 32408156117. The next prime is 32408156171. The reversal of 32408156139 is 93165180423.

It is not a de Polignac number, because 32408156139 - 2²⁰ = 32407107563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32408156139.

It is not an unprimeable number, because it can be changed into a prime (32408156239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179472 + ... + 311490.

It is an arithmetic number, because the mean of its divisors is an integer number (2759746080).

Almost surely, 2^32408156139 is an apocalyptic number.

32408156139 is a deficient number, since it is larger than the sum of its proper divisors (11747781141).

32408156139 is a wasteful number, since it uses less digits than its factorization.

32408156139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133810.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 32408156139 in words is "thirty-two billion, four hundred eight million, one hundred fifty-six thousand, one hundred thirty-nine".