1352643494 has 8 divisors (see below), whose sum is σ = 2029358448. Its totient is φ = 676190680.

The previous prime is 1352643469. The next prime is 1352643511. The reversal of 1352643494 is 4943462531.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52082 + ... + 73605.

It is an arithmetic number, because the mean of its divisors is an integer number (253669806).

Almost surely, 2^1352643494 is an apocalyptic number.

1352643494 is a deficient number, since it is larger than the sum of its proper divisors (676714954).

1352643494 is a wasteful number, since it uses less digits than its factorization.

1352643494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131070.

The product of its digits is 311040, while the sum is 41.

The square root of 1352643494 is about 36778.3019455766. The cubic root of 1352643494 is about 1105.9303655527.

The spelling of 1352643494 in words is "one billion, three hundred fifty-two million, six hundred forty-three thousand, four hundred ninety-four".