1379255513 has 16 divisors (see below), whose sum is σ = 1467196416. Its totient is φ = 1293895680.

The previous prime is 1379255491. The next prime is 1379255531. The reversal of 1379255513 is 3155529731.

It is a cyclic number.

It is not a de Polignac number, because 1379255513 - 2⁸ = 1379255257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379255533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249368 + ... + 254838.

It is an arithmetic number, because the mean of its divisors is an integer number (91699776).

Almost surely, 2^1379255513 is an apocalyptic number.

It is an amenable number.

1379255513 is a deficient number, since it is larger than the sum of its proper divisors (87940903).

1379255513 is a wasteful number, since it uses less digits than its factorization.

1379255513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704.

The product of its digits is 141750, while the sum is 41.

The square root of 1379255513 is about 37138.3294320033. The cubic root of 1379255513 is about 1113.1360367176.

The spelling of 1379255513 in words is "one billion, three hundred seventy-nine million, two hundred fifty-five thousand, five hundred thirteen".