139060238257 has 8 divisors (see below), whose sum is σ = 141350189120. Its totient is φ = 136770618960.

The previous prime is 139060238227. The next prime is 139060238263. The reversal of 139060238257 is 752832060931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139060238257 - 2⁷ = 139060238129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139060238227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848188 + ... + 998770.

It is an arithmetic number, because the mean of its divisors is an integer number (17668773640).

Almost surely, 2^139060238257 is an apocalyptic number.

It is an amenable number.

139060238257 is a deficient number, since it is larger than the sum of its proper divisors (2289950863).

139060238257 is a wasteful number, since it uses less digits than its factorization.

139060238257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165783.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 139060238257 in words is "one hundred thirty-nine billion, sixty million, two hundred thirty-eight thousand, two hundred fifty-seven".