1354263240 has 64 divisors (see below), whose sum is σ = 4432138560. Its totient is φ = 328305920.

The previous prime is 1354263227. The next prime is 1354263259. The reversal of 1354263240 is 423624531.

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

It is a junction number, because it is equal to n+sod(n) for n = 1354263198 and 1354263207.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 511659 + ... + 514298.

It is an arithmetic number, because the mean of its divisors is an integer number (69252165).

Almost surely, 2^1354263240 is an apocalyptic number.

1354263240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354263240 is an abundant number, since it is smaller than the sum of its proper divisors (3077875320).

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

1354263240 is a wasteful number, since it uses less digits than its factorization.

1354263240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025982 (or 1025978 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1354263240 is about 36800.3157595149. The cubic root of 1354263240 is about 1106.3716278540.

Adding to 1354263240 its reverse (423624531), we get a palindrome (1777887771).

The spelling of 1354263240 in words is "one billion, three hundred fifty-four million, two hundred sixty-three thousand, two hundred forty".