1732139 has 2 divisors, whose sum is σ = 1732140. Its totient is φ = 1732138.

The previous prime is 1732117. The next prime is 1732193. The reversal of 1732139 is 9312371.

Together with next prime (1732193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1732139 - 2¹² = 1728043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1732109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 866069 + 866070.

It is an arithmetic number, because the mean of its divisors is an integer number (866070).

2^1732139 is an apocalyptic number.

1732139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1732139 is an equidigital number, since it uses as much as digits as its factorization.

1732139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 26.

The square root of 1732139 is about 1316.1075184042. The cubic root of 1732139 is about 120.0957337902.

The spelling of 1732139 in words is "one million, seven hundred thirty-two thousand, one hundred thirty-nine".