1300194018 has 30 divisors (see below), whose sum is σ = 2914426449. Its totient is φ = 433245024.

The previous prime is 1300194013. The next prime is 1300194037. The reversal of 1300194018 is 8104910031.

It can be written as a sum of positive squares in 2 ways, for example, as 1285007409 + 15186609 = 35847^2 + 3897^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25497.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1300193982 and 1300194000.

It is not an unprimeable number, because it can be changed into a prime (1300194011) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 457530 + ... + 460362.

Almost surely, 2^1300194018 is an apocalyptic number.

1300194018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1300194018 is an abundant number, since it is smaller than the sum of its proper divisors (1614232431).

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

1300194018 is an frugal number, since it uses more digits than its factorization.

1300194018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680 (or 2838 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1300194018 is about 36058.2031998268. The cubic root of 1300194018 is about 1091.4471751973.

The spelling of 1300194018 in words is "one billion, three hundred million, one hundred ninety-four thousand, eighteen".