1300400001 has 20 divisors (see below), whose sum is σ = 1944309312. Its totient is φ = 866158488.

The previous prime is 1300399987. The next prime is 1300400021. The reversal of 1300400001 is 1000040031.

It is not a de Polignac number, because 1300400001 - 2¹³ = 1300391809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1300400021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92500 + ... + 105626.

Almost surely, 2^1300400001 is an apocalyptic number.

It is an amenable number.

1300400001 is a deficient number, since it is larger than the sum of its proper divisors (643909311).

1300400001 is a wasteful number, since it uses less digits than its factorization.

1300400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362 (or 14353 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1300400001 is about 36061.0593438407. The cubic root of 1300400001 is about 1091.5048095937.

Adding to 1300400001 its reverse (1000040031), we get a palindrome (2300440032).

The spelling of 1300400001 in words is "one billion, three hundred million, four hundred thousand, one".