1244535134 has 4 divisors (see below), whose sum is σ = 1866802704. Its totient is φ = 622267566.

The previous prime is 1244535121. The next prime is 1244535139. The reversal of 1244535134 is 4315354421.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1244535134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244535139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311133782 + ... + 311133785.

It is an arithmetic number, because the mean of its divisors is an integer number (466700676).

Almost surely, 2^1244535134 is an apocalyptic number.

1244535134 is a deficient number, since it is larger than the sum of its proper divisors (622267570).

1244535134 is an equidigital number, since it uses as much as digits as its factorization.

1244535134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622267569.

The product of its digits is 28800, while the sum is 32.

The square root of 1244535134 is about 35277.9695277378. The cubic root of 1244535134 is about 1075.6452254877.

Adding to 1244535134 its reverse (4315354421), we get a palindrome (5559889555).

The spelling of 1244535134 in words is "one billion, two hundred forty-four million, five hundred thirty-five thousand, one hundred thirty-four".