139258043 has 2 divisors, whose sum is σ = 139258044. Its totient is φ = 139258042.

The previous prime is 139258019. The next prime is 139258057. The reversal of 139258043 is 340852931.

139258043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139258043 - 2²² = 135063739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139257994 and 139258012.

It is not a weakly prime, because it can be changed into another prime (139258003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69629021 + 69629022.

It is an arithmetic number, because the mean of its divisors is an integer number (69629022).

Almost surely, 2^139258043 is an apocalyptic number.

139258043 is a deficient number, since it is larger than the sum of its proper divisors (1).

139258043 is an equidigital number, since it uses as much as digits as its factorization.

139258043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 139258043 is about 11800.7645091324. The cubic root of 139258043 is about 518.3304974865.

The spelling of 139258043 in words is "one hundred thirty-nine million, two hundred fifty-eight thousand, forty-three".