1348391268 has 72 divisors (see below), whose sum is σ = 3898806912. Its totient is φ = 384913152.

The previous prime is 1348391263. The next prime is 1348391273. The reversal of 1348391268 is 8621938431.

It is an interprime number because it is at equal distance from previous prime (1348391263) and next prime (1348391273).

It is not an unprimeable number, because it can be changed into a prime (1348391263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463996 + ... + 466892.

It is an arithmetic number, because the mean of its divisors is an integer number (54150096).

Almost surely, 2^1348391268 is an apocalyptic number.

1348391268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1348391268 is an abundant number, since it is smaller than the sum of its proper divisors (2550415644).

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

1348391268 is a wasteful number, since it uses less digits than its factorization.

1348391268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4756 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 1348391268 is about 36720.4475462922. The cubic root of 1348391268 is about 1104.7702662529.

The spelling of 1348391268 in words is "one billion, three hundred forty-eight million, three hundred ninety-one thousand, two hundred sixty-eight".