139353512669 has 8 divisors (see below), whose sum is σ = 159505054080. Its totient is φ = 119262945456.

The previous prime is 139353512629. The next prime is 139353512677. The reversal of 139353512669 is 966215353931.

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 139353512669 - 2²⁴ = 139336735453 is a prime.

It is a super-2 number, since 2×139353512669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139353512669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139353512629) 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, 15238649 + ... + 15247790.

It is an arithmetic number, because the mean of its divisors is an integer number (19938131760).

Almost surely, 2^139353512669 is an apocalyptic number.

It is an amenable number.

139353512669 is a deficient number, since it is larger than the sum of its proper divisors (20151541411).

139353512669 is an equidigital number, since it uses as much as digits as its factorization.

139353512669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30487099.

The product of its digits is 3936600, while the sum is 53.

The spelling of 139353512669 in words is "one hundred thirty-nine billion, three hundred fifty-three million, five hundred twelve thousand, six hundred sixty-nine".