1313745378 has 32 divisors (see below), whose sum is σ = 2868374592. Its totient is φ = 397824000.

The previous prime is 1313745361. The next prime is 1313745383. The reversal of 1313745378 is 8735473131.

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, 99450 + ... + 111882.

It is an arithmetic number, because the mean of its divisors is an integer number (89636706).

Almost surely, 2^1313745378 is an apocalyptic number.

1313745378 is an abundant number, since it is smaller than the sum of its proper divisors (1554629214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313745378 is a wasteful number, since it uses less digits than its factorization.

1313745378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14050.

The product of its digits is 211680, while the sum is 42.

The square root of 1313745378 is about 36245.6256395168. The cubic root of 1313745378 is about 1095.2259711701.

The spelling of 1313745378 in words is "one billion, three hundred thirteen million, seven hundred forty-five thousand, three hundred seventy-eight".