1369147968 has 112 divisors (see below), whose sum is σ = 4042013760. Its totient is φ = 454459392.

The previous prime is 1369147957. The next prime is 1369147987. The reversal of 1369147968 is 8697419631.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 442555 + ... + 445637.

Almost surely, 2^1369147968 is an apocalyptic number.

1369147968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369147968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021006880).

1369147968 is an abundant number, since it is smaller than the sum of its proper divisors (2672865792).

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

1369147968 is a wasteful number, since it uses less digits than its factorization.

1369147968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3345 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 1369147968 is about 37001.9995135398. Note that the first 3 decimals coincide. The cubic root of 1369147968 is about 1110.4102501082.

The spelling of 1369147968 in words is "one billion, three hundred sixty-nine million, one hundred forty-seven thousand, nine hundred sixty-eight".