1354434420 has 48 divisors (see below), whose sum is σ = 3796309440. Its totient is φ = 360811776.

The previous prime is 1354434409. The next prime is 1354434427. The reversal of 1354434420 is 244344531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354434427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50064 + ... + 72216.

It is an arithmetic number, because the mean of its divisors is an integer number (79089780).

Almost surely, 2^1354434420 is an apocalyptic number.

1354434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354434420 is an abundant number, since it is smaller than the sum of its proper divisors (2441875020).

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

1354434420 is a wasteful number, since it uses less digits than its factorization.

1354434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23184 (or 23182 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 1354434420 is about 36802.6414812850. The cubic root of 1354434420 is about 1106.4182413214.

Adding to 1354434420 its reverse (244344531), we get a palindrome (1598778951).

The spelling of 1354434420 in words is "one billion, three hundred fifty-four million, four hundred thirty-four thousand, four hundred twenty".