139258075 has 12 divisors (see below), whose sum is σ = 188378568. Its totient is φ = 101278400.

The previous prime is 139258069. The next prime is 139258079. The reversal of 139258075 is 570852931.

139258075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139258075 - 2⁵ = 139258043 is a prime.

It is a super-2 number, since 2×139258075² = 38785622905411250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139258079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252922 + ... + 253471.

It is an arithmetic number, because the mean of its divisors is an integer number (15698214).

Almost surely, 2^139258075 is an apocalyptic number.

139258075 is a deficient number, since it is larger than the sum of its proper divisors (49120493).

139258075 is a wasteful number, since it uses less digits than its factorization.

139258075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506414 (or 506409 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 139258075 is about 11800.7658649767. The cubic root of 139258075 is about 518.3305371887.

The spelling of 139258075 in words is "one hundred thirty-nine million, two hundred fifty-eight thousand, seventy-five".