354139 has 2 divisors, whose sum is σ = 354140. Its totient is φ = 354138.

The previous prime is 354121. The next prime is 354143. The reversal of 354139 is 931453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354139 - 2⁹ = 353627 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (354149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177069 + 177070.

It is an arithmetic number, because the mean of its divisors is an integer number (177070).

2³⁵⁴¹³⁹ is an apocalyptic number.

354139 is a deficient number, since it is larger than the sum of its proper divisors (1).

354139 is an equidigital number, since it uses as much as digits as its factorization.

354139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 354139 is about 595.0957906085. The cubic root of 354139 is about 70.7496972106.

The spelling of 354139 in words is "three hundred fifty-four thousand, one hundred thirty-nine".