1374135568 has 80 divisors (see below), whose sum is σ = 3050898480. Its totient is φ = 593952768.

The previous prime is 1374135533. The next prime is 1374135571. The reversal of 1374135568 is 8655314731.

It can be written as a sum of positive squares in 8 ways, for example, as 325153024 + 1048982544 = 18032^2 + 32388^2 .

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, 808896 + ... + 810592.

It is an arithmetic number, because the mean of its divisors is an integer number (38136231).

Almost surely, 2^1374135568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1374135568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525449240).

1374135568 is an abundant number, since it is smaller than the sum of its proper divisors (1676762912).

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

1374135568 is a wasteful number, since it uses less digits than its factorization.

1374135568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1958 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 1374135568 is about 37069.3346042251. The cubic root of 1374135568 is about 1111.7569686093.

The spelling of 1374135568 in words is "one billion, three hundred seventy-four million, one hundred thirty-five thousand, five hundred sixty-eight".