1354361409 has 12 divisors (see below), whose sum is σ = 1956749652. Its totient is φ = 902700000.

The previous prime is 1354361377. The next prime is 1354361441. The reversal of 1354361409 is 9041634531.

1354361409 is a `hidden beast` number, since 1 + 35 + 4 + 3 + 614 + 0 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1354361377) and next prime (1354361441).

It can be written as a sum of positive squares in 2 ways, for example, as 159138225 + 1195223184 = 12615^2 + 34572^2 .

It is not a de Polignac number, because 1354361409 - 2⁵ = 1354361377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1354361609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31159 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (163062471).

Almost surely, 2^1354361409 is an apocalyptic number.

It is an amenable number.

1354361409 is a deficient number, since it is larger than the sum of its proper divisors (602388243).

1354361409 is a wasteful number, since it uses less digits than its factorization.

1354361409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34608 (or 34605 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1354361409 is about 36801.6495418344. The cubic root of 1354361409 is about 1106.3983604145.

The spelling of 1354361409 in words is "one billion, three hundred fifty-four million, three hundred sixty-one thousand, four hundred nine".