1354112405 has 16 divisors (see below), whose sum is σ = 1648989360. Its totient is φ = 1067286528.

The previous prime is 1354112401. The next prime is 1354112413. The reversal of 1354112405 is 5042114531.

It can be written as a sum of positive squares in 8 ways, for example, as 379236676 + 974875729 = 19474^2 + 31223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354112405 - 2² = 1354112401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354112401) 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, 512969 + ... + 515601.

It is an arithmetic number, because the mean of its divisors is an integer number (103061835).

Almost surely, 2^1354112405 is an apocalyptic number.

It is an amenable number.

1354112405 is a deficient number, since it is larger than the sum of its proper divisors (294876955).

1354112405 is a wasteful number, since it uses less digits than its factorization.

1354112405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1354112405 is about 36798.2663314456. The cubic root of 1354112405 is about 1106.3305512116.

Adding to 1354112405 its reverse (5042114531), we get a palindrome (6396226936).

The spelling of 1354112405 in words is "one billion, three hundred fifty-four million, one hundred twelve thousand, four hundred five".