1354436920 has 32 divisors (see below), whose sum is σ = 3226748400. Its totient is φ = 509905408.

The previous prime is 1354436893. The next prime is 1354436921. The reversal of 1354436920 is 296344531.

It is a self number, because there is not a number n which added to its sum of digits gives 1354436920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354436921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995230 + ... + 996589.

Almost surely, 2^1354436920 is an apocalyptic number.

1354436920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354436920 is an abundant number, since it is smaller than the sum of its proper divisors (1872311480).

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

1354436920 is a wasteful number, since it uses less digits than its factorization.

1354436920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991847 (or 1991843 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1354436920 is about 36802.6754462227. The cubic root of 1354436920 is about 1106.4189220591.

The spelling of 1354436920 in words is "one billion, three hundred fifty-four million, four hundred thirty-six thousand, nine hundred twenty".