1300013155 has 16 divisors (see below), whose sum is σ = 1876711680. Its totient is φ = 844519392.

The previous prime is 1300013149. The next prime is 1300013173. The reversal of 1300013155 is 5513100031.

It is a cyclic number.

It is not a de Polignac number, because 1300013155 - 2⁵ = 1300013123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976789 + ... + 978118.

It is an arithmetic number, because the mean of its divisors is an integer number (117294480).

Almost surely, 2^1300013155 is an apocalyptic number.

1300013155 is a deficient number, since it is larger than the sum of its proper divisors (576698525).

1300013155 is a wasteful number, since it uses less digits than its factorization.

1300013155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954938.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1300013155 is about 36055.6951812054. The cubic root of 1300013155 is about 1091.3965644008.

Adding to 1300013155 its reverse (5513100031), we get a palindrome (6813113186).

The spelling of 1300013155 in words is "one billion, three hundred million, thirteen thousand, one hundred fifty-five".