1300138553 has 8 divisors (see below), whose sum is σ = 1490715072. Its totient is φ = 1110772656.

The previous prime is 1300138547. The next prime is 1300138561. The reversal of 1300138553 is 3558310031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1300138553 - 2⁴ = 1300138537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1300128553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300350 + ... + 304647.

It is an arithmetic number, because the mean of its divisors is an integer number (186339384).

Almost surely, 2^1300138553 is an apocalyptic number.

It is an amenable number.

1300138553 is a deficient number, since it is larger than the sum of its proper divisors (190576519).

1300138553 is an equidigital number, since it uses as much as digits as its factorization.

1300138553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605311.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1300138553 is about 36057.4340878549. The cubic root of 1300138553 is about 1091.4316549550.

Adding to 1300138553 its reverse (3558310031), we get a palindrome (4858448584).

The spelling of 1300138553 in words is "one billion, three hundred million, one hundred thirty-eight thousand, five hundred fifty-three".