139669102305 has 40 divisors (see below), whose sum is σ = 253896185664. Its totient is φ = 73441015200.

The previous prime is 139669102301. The next prime is 139669102421. The reversal of 139669102305 is 503201966931.

It is not a de Polignac number, because 139669102305 - 2² = 139669102301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (139669102301) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2399851 + ... + 2457360.

Almost surely, 2^139669102305 is an apocalyptic number.

139669102305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139669102305 is a deficient number, since it is larger than the sum of its proper divisors (114227083359).

139669102305 is an equidigital number, since it uses as much as digits as its factorization.

139669102305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857299 (or 4857290 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 139669102305 in words is "one hundred thirty-nine billion, six hundred sixty-nine million, one hundred two thousand, three hundred five".