139088808169 has 8 divisors (see below), whose sum is σ = 139459656960. Its totient is φ = 138718272336.

The previous prime is 139088808161. The next prime is 139088808181. The reversal of 139088808169 is 961808880931.

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 139088808169 - 2³ = 139088808161 is a prime.

It is a super-2 number, since 2×139088808169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139088808161) 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, 825672 + ... + 979750.

It is an arithmetic number, because the mean of its divisors is an integer number (17432457120).

Almost surely, 2^139088808169 is an apocalyptic number.

It is an amenable number.

139088808169 is a deficient number, since it is larger than the sum of its proper divisors (370848791).

139088808169 is a wasteful number, since it uses less digits than its factorization.

139088808169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156479.

The product of its (nonzero) digits is 5971968, while the sum is 61.

The spelling of 139088808169 in words is "one hundred thirty-nine billion, eighty-eight million, eight hundred eight thousand, one hundred sixty-nine".