139338927 has 32 divisors (see below), whose sum is σ = 254069760. Its totient is φ = 73496160.

The previous prime is 139338917. The next prime is 139338937. The reversal of 139338927 is 729833931.

It is an interprime number because it is at equal distance from previous prime (139338917) and next prime (139338937).

It is not a de Polignac number, because 139338927 - 2¹⁴ = 139322543 is a prime.

It is a super-2 number, since 2×139338927² = 38830673155022658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139338907) 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 31 ways as a sum of consecutive naturals, for example, 25899 + ... + 30812.

It is an arithmetic number, because the mean of its divisors is an integer number (7939680).

Almost surely, 2^139338927 is an apocalyptic number.

139338927 is a deficient number, since it is larger than the sum of its proper divisors (114730833).

139338927 is a wasteful number, since it uses less digits than its factorization.

139338927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56740 (or 56734 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 139338927 is about 11804.1910777486. The cubic root of 139338927 is about 518.4308304816.

The spelling of 139338927 in words is "one hundred thirty-nine million, three hundred thirty-eight thousand, nine hundred twenty-seven".