1368835420 has 12 divisors (see below), whose sum is σ = 2874554424. Its totient is φ = 547534160.

The previous prime is 1368835367. The next prime is 1368835423. The reversal of 1368835420 is 245388631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368835423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34220866 + ... + 34220905.

It is an arithmetic number, because the mean of its divisors is an integer number (239546202).

Almost surely, 2^1368835420 is an apocalyptic number.

1368835420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368835420 is an abundant number, since it is smaller than the sum of its proper divisors (1505719004).

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

1368835420 is a wasteful number, since it uses less digits than its factorization.

1368835420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68441780 (or 68441778 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1368835420 is about 36997.7758790985. The cubic root of 1368835420 is about 1110.3257491575.

The spelling of 1368835420 in words is "one billion, three hundred sixty-eight million, eight hundred thirty-five thousand, four hundred twenty".