139129275 has 24 divisors (see below), whose sum is σ = 243560304. Its totient is φ = 69836800.

The previous prime is 139129253. The next prime is 139129279. The reversal of 139129275 is 572921931.

It is not a de Polignac number, because 139129275 - 2⁸ = 139129019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139129279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53286 + ... + 55835.

It is an arithmetic number, because the mean of its divisors is an integer number (10148346).

Almost surely, 2^139129275 is an apocalyptic number.

139129275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139129275 is a deficient number, since it is larger than the sum of its proper divisors (104431029).

139129275 is a wasteful number, since it uses less digits than its factorization.

139129275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109151 (or 109146 counting only the distinct ones).

The product of its digits is 34020, while the sum is 39.

The square root of 139129275 is about 11795.3073296121. The cubic root of 139129275 is about 518.1706863358.

The spelling of 139129275 in words is "one hundred thirty-nine million, one hundred twenty-nine thousand, two hundred seventy-five".