1353634043 has 8 divisors (see below), whose sum is σ = 1429954320. Its totient is φ = 1277821440.

The previous prime is 1353634039. The next prime is 1353634057. The reversal of 1353634043 is 3404363531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1353634043 - 2² = 1353634039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353634033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121430 + ... + 132107.

It is an arithmetic number, because the mean of its divisors is an integer number (178744290).

Almost surely, 2^1353634043 is an apocalyptic number.

1353634043 is a deficient number, since it is larger than the sum of its proper divisors (76320277).

1353634043 is a wasteful number, since it uses less digits than its factorization.

1353634043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253837.

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 1353634043 is about 36791.7659674009. The cubic root of 1353634043 is about 1106.2002595104.

Adding to 1353634043 its reverse (3404363531), we get a palindrome (4757997574).

The spelling of 1353634043 in words is "one billion, three hundred fifty-three million, six hundred thirty-four thousand, forty-three".