1348678261 has 8 divisors (see below), whose sum is σ = 1541908224. Its totient is φ = 1155588720.

The previous prime is 1348678249. The next prime is 1348678271. The reversal of 1348678261 is 1628768431.

It is a happy number.

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 1348678261 - 2⁵ = 1348678229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348678211) 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, 13645 + ... + 53698.

It is an arithmetic number, because the mean of its divisors is an integer number (192738528).

Almost surely, 2^1348678261 is an apocalyptic number.

It is an amenable number.

1348678261 is a deficient number, since it is larger than the sum of its proper divisors (193229963).

1348678261 is an equidigital number, since it uses as much as digits as its factorization.

1348678261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70211.

The product of its digits is 387072, while the sum is 46.

The square root of 1348678261 is about 36724.3551475040. The cubic root of 1348678261 is about 1104.8486408436.

The spelling of 1348678261 in words is "one billion, three hundred forty-eight million, six hundred seventy-eight thousand, two hundred sixty-one".