139527663 has 8 divisors (see below), whose sum is σ = 202949376. Its totient is φ = 84562200.

The previous prime is 139527599. The next prime is 139527677. The reversal of 139527663 is 366725931.

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

It is not a de Polignac number, because 139527663 - 2⁶ = 139527599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139527263) 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, 2114023 + ... + 2114088.

It is an arithmetic number, because the mean of its divisors is an integer number (25368672).

Almost surely, 2^139527663 is an apocalyptic number.

139527663 is a deficient number, since it is larger than the sum of its proper divisors (63421713).

139527663 is a wasteful number, since it uses less digits than its factorization.

139527663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228125.

The product of its digits is 204120, while the sum is 42.

The square root of 139527663 is about 11812.1828211385. The cubic root of 139527663 is about 518.6647981615.

The spelling of 139527663 in words is "one hundred thirty-nine million, five hundred twenty-seven thousand, six hundred sixty-three".