1351544043 has 32 divisors (see below), whose sum is σ = 1999468800. Its totient is φ = 808569216.

The previous prime is 1351544017. The next prime is 1351544057. The reversal of 1351544043 is 3404451531.

It is not a de Polignac number, because 1351544043 - 2⁵ = 1351544011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1351544043.

It is not an unprimeable number, because it can be changed into a prime (1351544063) 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 31 ways as a sum of consecutive naturals, for example, 79896 + ... + 95322.

It is an arithmetic number, because the mean of its divisors is an integer number (62483400).

Almost surely, 2^1351544043 is an apocalyptic number.

1351544043 is a deficient number, since it is larger than the sum of its proper divisors (647924757).

1351544043 is a wasteful number, since it uses less digits than its factorization.

1351544043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15531.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1351544043 is about 36763.3519010441. The cubic root of 1351544043 is about 1105.6306448355.

Adding to 1351544043 its reverse (3404451531), we get a palindrome (4755995574).

The spelling of 1351544043 in words is "one billion, three hundred fifty-one million, five hundred forty-four thousand, forty-three".