1306465545 has 32 divisors (see below), whose sum is σ = 2606146560. Its totient is φ = 542946240.

The previous prime is 1306465507. The next prime is 1306465561. The reversal of 1306465545 is 5455646031.

It is not a de Polignac number, because 1306465545 - 2⁷ = 1306465417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564415 + ... + 566724.

It is an arithmetic number, because the mean of its divisors is an integer number (81442080).

Almost surely, 2^1306465545 is an apocalyptic number.

1306465545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306465545 is a deficient number, since it is larger than the sum of its proper divisors (1299681015).

1306465545 is a wasteful number, since it uses less digits than its factorization.

1306465545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131165.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 1306465545 is about 36145.0625258831. The cubic root of 1306465545 is about 1093.1992378319.

The spelling of 1306465545 in words is "one billion, three hundred six million, four hundred sixty-five thousand, five hundred forty-five".