1378318602 has 32 divisors (see below), whose sum is σ = 2787437952. Its totient is φ = 454319424.

The previous prime is 1378318597. The next prime is 1378318649. The reversal of 1378318602 is 2068138731.

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, 615028 + ... + 617264.

It is an arithmetic number, because the mean of its divisors is an integer number (87107436).

Almost surely, 2^1378318602 is an apocalyptic number.

1378318602 is an abundant number, since it is smaller than the sum of its proper divisors (1409119350).

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

1378318602 is a wasteful number, since it uses less digits than its factorization.

1378318602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1378318602 is about 37125.7134880934. The cubic root of 1378318602 is about 1112.8839331681.

It can be divided in two parts, 13783 and 18602, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 1378318602 in words is "one billion, three hundred seventy-eight million, three hundred eighteen thousand, six hundred two".