1498139 has 2 divisors, whose sum is σ = 1498140. Its totient is φ = 1498138.

The previous prime is 1498129. The next prime is 1498141. The reversal of 1498139 is 9318941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1498139 - 2²⁰ = 449563 is a prime.

Together with 1498141, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1498099 and 1498108.

It is not a weakly prime, because it can be changed into another prime (1498129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749069 + 749070.

It is an arithmetic number, because the mean of its divisors is an integer number (749070).

2^1498139 is an apocalyptic number.

1498139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1498139 is an equidigital number, since it uses as much as digits as its factorization.

1498139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 1498139 is about 1223.9848855276. The cubic root of 1498139 is about 114.4240643705.

The spelling of 1498139 in words is "one million, four hundred ninety-eight thousand, one hundred thirty-nine".