1339145650 has 48 divisors (see below), whose sum is σ = 2626796160. Its totient is φ = 506520000.

The previous prime is 1339145623. The next prime is 1339145651. The reversal of 1339145650 is 565419331.

It is a happy number.

It is a super-2 number, since 2×1339145650² = 3586622143827845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1339145651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712512 + ... + 714388.

It is an arithmetic number, because the mean of its divisors is an integer number (54724920).

Almost surely, 2^1339145650 is an apocalyptic number.

1339145650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1339145650 is a deficient number, since it is larger than the sum of its proper divisors (1287650510).

1339145650 is a wasteful number, since it uses less digits than its factorization.

1339145650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 1339145650 is about 36594.3390430815. The cubic root of 1339145650 is about 1102.2394185357.

The spelling of 1339145650 in words is "one billion, three hundred thirty-nine million, one hundred forty-five thousand, six hundred fifty".