1300091900 has 18 divisors (see below), whose sum is σ = 2821199640. Its totient is φ = 520036720.

The previous prime is 1300091887. The next prime is 1300091911. The reversal of 1300091900 is 91900031.

It is a super-2 number, since 2×1300091900² = 3380477896891220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6500360 + ... + 6500559.

Almost surely, 2^1300091900 is an apocalyptic number.

1300091900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300091900 is an abundant number, since it is smaller than the sum of its proper divisors (1521107740).

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

1300091900 is a wasteful number, since it uses less digits than its factorization.

1300091900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13000933 (or 13000926 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 1300091900 is about 36056.7871558185. The cubic root of 1300091900 is about 1091.4186001489.

Adding to 1300091900 its reverse (91900031), we get a palindrome (1391991931).

The spelling of 1300091900 in words is "one billion, three hundred million, ninety-one thousand, nine hundred".