1352729685 has 8 divisors (see below), whose sum is σ = 2164367520. Its totient is φ = 721455824.

The previous prime is 1352729629. The next prime is 1352729713. The reversal of 1352729685 is 5869272531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1352729685 - 2⁷ = 1352729557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45090975 + ... + 45091004.

It is an arithmetic number, because the mean of its divisors is an integer number (270545940).

Almost surely, 2^1352729685 is an apocalyptic number.

1352729685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1352729685 is a deficient number, since it is larger than the sum of its proper divisors (811637835).

1352729685 is an equidigital number, since it uses as much as digits as its factorization.

1352729685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90181987.

The product of its digits is 907200, while the sum is 48.

The square root of 1352729685 is about 36779.4736911773. The cubic root of 1352729685 is about 1105.9538551664.

The spelling of 1352729685 in words is "one billion, three hundred fifty-two million, seven hundred twenty-nine thousand, six hundred eighty-five".