1349071938 has 48 divisors (see below), whose sum is σ = 3094153920. Its totient is φ = 424079712.

The previous prime is 1349071937. The next prime is 1349071939. The reversal of 1349071938 is 8391709431.

1349071938 is a `hidden beast` number, since 1 + 3 + 490 + 71 + 93 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1349071937) and next prime (1349071939).

It is a junction number, because it is equal to n+sod(n) for n = 1349071893 and 1349071902.

It is not an unprimeable number, because it can be changed into a prime (1349071937) 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 23 ways as a sum of consecutive naturals, for example, 7606 + ... + 52497.

It is an arithmetic number, because the mean of its divisors is an integer number (64461540).

Almost surely, 2^1349071938 is an apocalyptic number.

1349071938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1349071938 is an abundant number, since it is smaller than the sum of its proper divisors (1745081982).

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

1349071938 is a wasteful number, since it uses less digits than its factorization.

1349071938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60183 (or 60180 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1349071938 is about 36729.7146463187. The cubic root of 1349071938 is about 1104.9561315618.

The spelling of 1349071938 in words is "one billion, three hundred forty-nine million, seventy-one thousand, nine hundred thirty-eight".