1313760305 has 16 divisors (see below), whose sum is σ = 1852127424. Its totient is φ = 881964480.

The previous prime is 1313760281. The next prime is 1313760313. The reversal of 1313760305 is 5030673131.

It is a happy number.

It is not a de Polignac number, because 1313760305 - 2¹⁰ = 1313759281 is a prime.

It is a super-2 number, since 2×1313760305² = 3451932277987386050, which contains 22 as substring.

It is a Duffinian number.

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, 917999 + ... + 919428.

It is an arithmetic number, because the mean of its divisors is an integer number (115757964).

Almost surely, 2^1313760305 is an apocalyptic number.

It is an amenable number.

1313760305 is a deficient number, since it is larger than the sum of its proper divisors (538367119).

1313760305 is a wasteful number, since it uses less digits than its factorization.

1313760305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837456.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 1313760305 is about 36245.8315534352. The cubic root of 1313760305 is about 1095.2301192027.

The spelling of 1313760305 in words is "one billion, three hundred thirteen million, seven hundred sixty thousand, three hundred five".