1715139 has 12 divisors (see below), whose sum is σ = 2496000. Its totient is φ = 1134864.

The previous prime is 1715123. The next prime is 1715143. The reversal of 1715139 is 9315171.

It is a happy number.

It is not a de Polignac number, because 1715139 - 2⁴ = 1715123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1715039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702 + ... + 1980.

It is an arithmetic number, because the mean of its divisors is an integer number (208000).

2^1715139 is an apocalyptic number.

1715139 is a deficient number, since it is larger than the sum of its proper divisors (780861).

1715139 is a wasteful number, since it uses less digits than its factorization.

1715139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1431 counting only the distinct ones).

The product of its digits is 945, while the sum is 27.

The square root of 1715139 is about 1309.6331547422. The cubic root of 1715139 is about 119.7015500121.

The spelling of 1715139 in words is "one million, seven hundred fifteen thousand, one hundred thirty-nine".