139258076 has 24 divisors (see below), whose sum is σ = 252059136. Its totient is φ = 67250160.

The previous prime is 139258069. The next prime is 139258079. The reversal of 139258076 is 670852931.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96875 + ... + 98301.

It is an arithmetic number, because the mean of its divisors is an integer number (10502464).

Almost surely, 2^139258076 is an apocalyptic number.

It is an amenable number.

139258076 is a deficient number, since it is larger than the sum of its proper divisors (112801060).

139258076 is a wasteful number, since it uses less digits than its factorization.

139258076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 139258076 is about 11800.7659073469. The cubic root of 139258076 is about 518.3305384294.

The spelling of 139258076 in words is "one hundred thirty-nine million, two hundred fifty-eight thousand, seventy-six".