1359719985 has 64 divisors (see below), whose sum is σ = 2475196416. Its totient is φ = 632620800.

The previous prime is 1359719983. The next prime is 1359719987. The reversal of 1359719985 is 5899179531.

It is an interprime number because it is at equal distance from previous prime (1359719983) and next prime (1359719987).

It is not a de Polignac number, because 1359719985 - 2¹ = 1359719983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1359719983) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257320 + ... + 262550.

It is an arithmetic number, because the mean of its divisors is an integer number (38674944).

Almost surely, 2^1359719985 is an apocalyptic number.

1359719985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1359719985 is a deficient number, since it is larger than the sum of its proper divisors (1115476431).

1359719985 is a wasteful number, since it uses less digits than its factorization.

1359719985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326.

The product of its digits is 3061800, while the sum is 57.

The square root of 1359719985 is about 36874.3811473494. The cubic root of 1359719985 is about 1107.8556075333.

The spelling of 1359719985 in words is "one billion, three hundred fifty-nine million, seven hundred nineteen thousand, nine hundred eighty-five".