1306463515 has 48 divisors (see below), whose sum is σ = 1940023872. Its totient is φ = 826914816.

The previous prime is 1306463489. The next prime is 1306463531. The reversal of 1306463515 is 5153646031.

It is not a de Polignac number, because 1306463515 - 2²⁷ = 1172245787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 534877 + ... + 537313.

It is an arithmetic number, because the mean of its divisors is an integer number (40417164).

Almost surely, 2^1306463515 is an apocalyptic number.

1306463515 is a deficient number, since it is larger than the sum of its proper divisors (633560357).

1306463515 is a wasteful number, since it uses less digits than its factorization.

1306463515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1306463515 is about 36145.0344445817. The cubic root of 1306463515 is about 1093.1986716234.

The spelling of 1306463515 in words is "one billion, three hundred six million, four hundred sixty-three thousand, five hundred fifteen".