1349157944 has 32 divisors (see below), whose sum is σ = 2764886400. Its totient is φ = 614415360.

The previous prime is 1349157937. The next prime is 1349157949. The reversal of 1349157944 is 4497519431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349157949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155789 + ... + 164220.

It is an arithmetic number, because the mean of its divisors is an integer number (86402700).

Almost surely, 2^1349157944 is an apocalyptic number.

It is an amenable number.

1349157944 is an abundant number, since it is smaller than the sum of its proper divisors (1415728456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349157944 is a wasteful number, since it uses less digits than its factorization.

1349157944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320063 (or 320059 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 1349157944 is about 36730.8854235778. The cubic root of 1349157944 is about 1104.9796121079.

The spelling of 1349157944 in words is "one billion, three hundred forty-nine million, one hundred fifty-seven thousand, nine hundred forty-four".