1716135940 has 24 divisors (see below), whose sum is σ = 3604708800. Its totient is φ = 686297568.

The previous prime is 1716135937. The next prime is 1716135947. The reversal of 1716135940 is 495316171.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1716135940.

It is not an unprimeable number, because it can be changed into a prime (1716135947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125479 + ... + 138481.

It is an arithmetic number, because the mean of its divisors is an integer number (150196200).

Almost surely, 2^1716135940 is an apocalyptic number.

1716135940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1716135940 is an abundant number, since it is smaller than the sum of its proper divisors (1888572860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1716135940 is a wasteful number, since it uses less digits than its factorization.

1716135940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19611 (or 19609 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1716135940 is about 41426.2711331831. The cubic root of 1716135940 is about 1197.2473805478.

The spelling of 1716135940 in words is "one billion, seven hundred sixteen million, one hundred thirty-five thousand, nine hundred forty".