1350321985 has 32 divisors (see below), whose sum is σ = 1761108480. Its totient is φ = 990031872.

The previous prime is 1350321977. The next prime is 1350322009. The reversal of 1350321985 is 5891230531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1350321985 - 2³ = 1350321977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906121 + ... + 907609.

It is an arithmetic number, because the mean of its divisors is an integer number (55034640).

Almost surely, 2^1350321985 is an apocalyptic number.

It is an amenable number.

1350321985 is a deficient number, since it is larger than the sum of its proper divisors (410786495).

1350321985 is a wasteful number, since it uses less digits than its factorization.

1350321985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1350321985 is about 36746.7275413743. The cubic root of 1350321985 is about 1105.2973094876.

The spelling of 1350321985 in words is "one billion, three hundred fifty million, three hundred twenty-one thousand, nine hundred eighty-five".