1300000654320 has 40 divisors (see below), whose sum is σ = 4030002029136. Its totient is φ = 346666841088.

The previous prime is 1300000654313. The next prime is 1300000654333. The reversal of 1300000654320 is 234560000031.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 2708334457 + ... + 2708334936.

Almost surely, 2^{1300000654320} is an apocalyptic number.

1300000654320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300000654320 is an abundant number, since it is smaller than the sum of its proper divisors (2730001374816).

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

1300000654320 is a wasteful number, since it uses less digits than its factorization.

1300000654320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5416669409 (or 5416669403 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 1300000654320 its reverse (234560000031), we get a palindrome (1534560654351).

The spelling of 1300000654320 in words is "one trillion, three hundred billion, six hundred fifty-four thousand, three hundred twenty".