1348940249 has 8 divisors (see below), whose sum is σ = 1397925000. Its totient is φ = 1300120192.

The previous prime is 1348940239. The next prime is 1348940251. The reversal of 1348940249 is 9420498431.

It can be written as a sum of positive squares in 4 ways, for example, as 10843849 + 1338096400 = 3293^2 + 36580^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1348940249 - 2⁴ = 1348940233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348940239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24374 + ... + 57375.

It is an arithmetic number, because the mean of its divisors is an integer number (174740625).

Almost surely, 2^1348940249 is an apocalyptic number.

It is an amenable number.

1348940249 is a deficient number, since it is larger than the sum of its proper divisors (48984751).

1348940249 is an equidigital number, since it uses as much as digits as its factorization.

1348940249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82347.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 1348940249 is about 36727.9219259680. The cubic root of 1348940249 is about 1104.9201771403.

The spelling of 1348940249 in words is "one billion, three hundred forty-eight million, nine hundred forty thousand, two hundred forty-nine".