1342139 has 2 divisors, whose sum is σ = 1342140. Its totient is φ = 1342138.

The previous prime is 1342111. The next prime is 1342153. The reversal of 1342139 is 9312431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1342139 - 2⁸ = 1341883 is a prime.

It is a super-3 number, since 3×1342139³ = 7252934303331094857, which contains 333 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1342109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671069 + 671070.

It is an arithmetic number, because the mean of its divisors is an integer number (671070).

2^1342139 is an apocalyptic number.

1342139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342139 is an equidigital number, since it uses as much as digits as its factorization.

1342139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 1342139 is about 1158.5072291531. The cubic root of 1342139 is about 110.3060074370.

The spelling of 1342139 in words is "one million, three hundred forty-two thousand, one hundred thirty-nine".