1365242985 has 32 divisors (see below), whose sum is σ = 2449392000. Its totient is φ = 721441728.

The previous prime is 1365242951. The next prime is 1365243031. The reversal of 1365242985 is 5892425631.

1365242985 is a `hidden beast` number, since 1 + 36 + 524 + 2 + 98 + 5 = 666.

It is not a de Polignac number, because 1365242985 - 2⁸ = 1365242729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1365242985.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31675 + ... + 61104.

It is an arithmetic number, because the mean of its divisors is an integer number (76543500).

Almost surely, 2^1365242985 is an apocalyptic number.

1365242985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1365242985 is a deficient number, since it is larger than the sum of its proper divisors (1084149015).

1365242985 is a wasteful number, since it uses less digits than its factorization.

1365242985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92902 (or 92896 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 1365242985 is about 36949.1946461625. The cubic root of 1365242985 is about 1109.3535680949.

The spelling of 1365242985 in words is "one billion, three hundred sixty-five million, two hundred forty-two thousand, nine hundred eighty-five".