139867143 has 16 divisors (see below), whose sum is σ = 212649696. Its totient is φ = 81008640.

The previous prime is 139867129. The next prime is 139867153. The reversal of 139867143 is 341768931.

It is not a de Polignac number, because 139867143 - 2⁹ = 139866631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139867095 and 139867104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139867103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104818 + ... + 106143.

It is an arithmetic number, because the mean of its divisors is an integer number (13290606).

Almost surely, 2^139867143 is an apocalyptic number.

139867143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139867143 is a deficient number, since it is larger than the sum of its proper divisors (72782553).

139867143 is a wasteful number, since it uses less digits than its factorization.

139867143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210994.

The product of its digits is 108864, while the sum is 42.

The square root of 139867143 is about 11826.5440006792. The cubic root of 139867143 is about 519.0851060126.

The spelling of 139867143 in words is "one hundred thirty-nine million, eight hundred sixty-seven thousand, one hundred forty-three".