1365253040 has 40 divisors (see below), whose sum is σ = 3175778880. Its totient is φ = 545831936.

The previous prime is 1365253033. The next prime is 1365253063. The reversal of 1365253040 is 403525631.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1365252994 and 1365253012.

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, 270056 + ... + 275064.

It is an arithmetic number, because the mean of its divisors is an integer number (79394472).

Almost surely, 2^1365253040 is an apocalyptic number.

1365253040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365253040 is an abundant number, since it is smaller than the sum of its proper divisors (1810525840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1365253040 is a wasteful number, since it uses less digits than its factorization.

1365253040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429 (or 8423 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1365253040 is about 36949.3307111238. The cubic root of 1365253040 is about 1109.3562915472.

Adding to 1365253040 its reverse (403525631), we get a palindrome (1768778671).

The spelling of 1365253040 in words is "one billion, three hundred sixty-five million, two hundred fifty-three thousand, forty".