1354444047 has 12 divisors (see below), whose sum is σ = 2134275624. Its totient is φ = 820875120.

The previous prime is 1354444031. The next prime is 1354444081. The reversal of 1354444047 is 7404444531.

1354444047 is a `hidden beast` number, since 135 + 44 + 440 + 47 = 666.

It is not a de Polignac number, because 1354444047 - 2⁴ = 1354444031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354448047) 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, 6840528 + ... + 6840725.

It is an arithmetic number, because the mean of its divisors is an integer number (177856302).

Almost surely, 2^1354444047 is an apocalyptic number.

1354444047 is a deficient number, since it is larger than the sum of its proper divisors (779831577).

1354444047 is a wasteful number, since it uses less digits than its factorization.

1354444047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681270 (or 13681267 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 1354444047 is about 36802.7722732948. The cubic root of 1354444047 is about 1106.4208627017.

Adding to 1354444047 its reverse (7404444531), we get a palindrome (8758888578).

The spelling of 1354444047 in words is "one billion, three hundred fifty-four million, four hundred forty-four thousand, forty-seven".