1313380145 has 16 divisors (see below), whose sum is σ = 1964953728. Its totient is φ = 818730240.

The previous prime is 1313380141. The next prime is 1313380147. The reversal of 1313380145 is 5410833131.

It is not a de Polignac number, because 1313380145 - 2² = 1313380141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313380141) 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, 1705304 + ... + 1706073.

It is an arithmetic number, because the mean of its divisors is an integer number (122809608).

Almost surely, 2^1313380145 is an apocalyptic number.

It is an amenable number.

1313380145 is a deficient number, since it is larger than the sum of its proper divisors (651573583).

1313380145 is a wasteful number, since it uses less digits than its factorization.

1313380145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411400.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1313380145 is about 36240.5869847606. The cubic root of 1313380145 is about 1095.1244675483.

The spelling of 1313380145 in words is "one billion, three hundred thirteen million, three hundred eighty thousand, one hundred forty-five".