1354740647 has 4 divisors (see below), whose sum is σ = 1458951480. Its totient is φ = 1250529816.

The previous prime is 1354740637. The next prime is 1354740649. The reversal of 1354740647 is 7460474531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7460474531 = 17 ⋅438851443.

It is a cyclic number.

It is not a de Polignac number, because 1354740647 - 2¹⁰ = 1354739623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354740649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52105397 + ... + 52105422.

It is an arithmetic number, because the mean of its divisors is an integer number (364737870).

Almost surely, 2^1354740647 is an apocalyptic number.

1354740647 is a deficient number, since it is larger than the sum of its proper divisors (104210833).

1354740647 is a wasteful number, since it uses less digits than its factorization.

1354740647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104210832.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 1354740647 is about 36806.8016404577. The cubic root of 1354740647 is about 1106.5016192004.

The spelling of 1354740647 in words is "one billion, three hundred fifty-four million, seven hundred forty thousand, six hundred forty-seven".