1354065240 has 64 divisors (see below), whose sum is σ = 4431490560. Its totient is φ = 328257920.

The previous prime is 1354065239. The next prime is 1354065299. The reversal of 1354065240 is 425604531.

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 = 1354065198 and 1354065207.

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, 511584 + ... + 514223.

It is an arithmetic number, because the mean of its divisors is an integer number (69242040).

Almost surely, 2^1354065240 is an apocalyptic number.

1354065240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354065240 is an abundant number, since it is smaller than the sum of its proper divisors (3077425320).

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

1354065240 is a wasteful number, since it uses less digits than its factorization.

1354065240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025832 (or 1025828 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1354065240 is about 36797.6254668695. The cubic root of 1354065240 is about 1106.3177062203.

Adding to 1354065240 its reverse (425604531), we get a palindrome (1779669771).

The spelling of 1354065240 in words is "one billion, three hundred fifty-four million, sixty-five thousand, two hundred forty".