1351144249 has 16 divisors (see below), whose sum is σ = 1720293120. Its totient is φ = 1032171840.

The previous prime is 1351144231. The next prime is 1351144253. The reversal of 1351144249 is 9424411531.

It is not a de Polignac number, because 1351144249 - 2¹³ = 1351136057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1351144219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253357 + ... + 258634.

It is an arithmetic number, because the mean of its divisors is an integer number (107518320).

Almost surely, 2^1351144249 is an apocalyptic number.

It is an amenable number.

1351144249 is a deficient number, since it is larger than the sum of its proper divisors (369148871).

1351144249 is a wasteful number, since it uses less digits than its factorization.

1351144249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512040.

The product of its digits is 17280, while the sum is 34.

The square root of 1351144249 is about 36757.9141002315. The cubic root of 1351144249 is about 1105.5216169199.

The spelling of 1351144249 in words is "one billion, three hundred fifty-one million, one hundred forty-four thousand, two hundred forty-nine".