1354642688 has 144 divisors (see below), whose sum is σ = 3337770240. Its totient is φ = 535461888.

The previous prime is 1354642669. The next prime is 1354642721. The reversal of 1354642688 is 8862464531.

It is a congruent number.

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, 1614173 + ... + 1615011.

It is an arithmetic number, because the mean of its divisors is an integer number (23178960).

Almost surely, 2^1354642688 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 1354642688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668885120).

1354642688 is an abundant number, since it is smaller than the sum of its proper divisors (1983127552).

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

1354642688 is an equidigital number, since it uses as much as digits as its factorization.

1354642688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 918 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 1354642688 is about 36805.4708976804. The cubic root of 1354642688 is about 1106.4749488053.

The spelling of 1354642688 in words is "one billion, three hundred fifty-four million, six hundred forty-two thousand, six hundred eighty-eight".