139457127 has 24 divisors (see below), whose sum is σ = 196750848. Its totient is φ = 87771600.

The previous prime is 139457117. The next prime is 139457161. The reversal of 139457127 is 721754931.

It is not a de Polignac number, because 139457127 - 2¹⁶ = 139391591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139457117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171552 + ... + 172362.

It is an arithmetic number, because the mean of its divisors is an integer number (8197952).

Almost surely, 2^139457127 is an apocalyptic number.

139457127 is a deficient number, since it is larger than the sum of its proper divisors (57293721).

139457127 is an equidigital number, since it uses as much as digits as its factorization.

139457127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 888 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 139457127 is about 11809.1967127320. The cubic root of 139457127 is about 518.5773825048.

The spelling of 139457127 in words is "one hundred thirty-nine million, four hundred fifty-seven thousand, one hundred twenty-seven".