139550127 has 32 divisors (see below), whose sum is σ = 206843904. Its totient is φ = 83289600.

The previous prime is 139550119. The next prime is 139550129. The reversal of 139550127 is 721055931.

It is not a de Polignac number, because 139550127 - 2³ = 139550119 is a prime.

It is a super-2 number, since 2×139550127² = 38948475891432258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139550129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95718 + ... + 97164.

It is an arithmetic number, because the mean of its divisors is an integer number (6463872).

Almost surely, 2^139550127 is an apocalyptic number.

139550127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

139550127 is a deficient number, since it is larger than the sum of its proper divisors (67293777).

139550127 is a wasteful number, since it uses less digits than its factorization.

139550127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 139550127 is about 11813.1336655436. The cubic root of 139550127 is about 518.6926317359.

The spelling of 139550127 in words is "one hundred thirty-nine million, five hundred fifty thousand, one hundred twenty-seven".