1365529990 has 16 divisors (see below), whose sum is σ = 2681404560. Its totient is φ = 496556320.

The previous prime is 1365529939. The next prime is 1365529993. The reversal of 1365529990 is 999255631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365529993) 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 7 ways as a sum of consecutive naturals, for example, 6206845 + ... + 6207064.

It is an arithmetic number, because the mean of its divisors is an integer number (167587785).

Almost surely, 2^1365529990 is an apocalyptic number.

1365529990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1365529990 is a deficient number, since it is larger than the sum of its proper divisors (1315874570).

1365529990 is a wasteful number, since it uses less digits than its factorization.

1365529990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12413927.

The product of its (nonzero) digits is 656100, while the sum is 49.

The square root of 1365529990 is about 36953.0782209006. The cubic root of 1365529990 is about 1109.4312997309.

The spelling of 1365529990 in words is "one billion, three hundred sixty-five million, five hundred twenty-nine thousand, nine hundred ninety".