139054125 has 32 divisors (see below), whose sum is σ = 264446208. Its totient is φ = 63566400.

The previous prime is 139054121. The next prime is 139054151. The reversal of 139054125 is 521450931.

It is not a de Polignac number, because 139054125 - 2² = 139054121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139054092 and 139054101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139054121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23862 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (8263944).

Almost surely, 2^139054125 is an apocalyptic number.

139054125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139054125 is a deficient number, since it is larger than the sum of its proper divisors (125392083).

139054125 is an equidigital number, since it uses as much as digits as its factorization.

139054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52998 (or 52988 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 139054125 is about 11792.1213104344. The cubic root of 139054125 is about 518.0773737425.

The spelling of 139054125 in words is "one hundred thirty-nine million, fifty-four thousand, one hundred twenty-five".