1365125650 has 24 divisors (see below), whose sum is σ = 2901867840. Its totient is φ = 468042960.

The previous prime is 1365125639. The next prime is 1365125659. The reversal of 1365125650 is 565215631.

It is not an unprimeable number, because it can be changed into a prime (1365125659) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1949830 + ... + 1950529.

It is an arithmetic number, because the mean of its divisors is an integer number (120911160).

Almost surely, 2^1365125650 is an apocalyptic number.

1365125650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1365125650 is an abundant number, since it is smaller than the sum of its proper divisors (1536742190).

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

1365125650 is a wasteful number, since it uses less digits than its factorization.

1365125650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900378 (or 3900373 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1365125650 is about 36947.6068237173. The cubic root of 1365125650 is about 1109.3217862725.

The spelling of 1365125650 in words is "one billion, three hundred sixty-five million, one hundred twenty-five thousand, six hundred fifty".