1391456348 has 6 divisors (see below), whose sum is σ = 2435048616. Its totient is φ = 695728172.

The previous prime is 1391456293. The next prime is 1391456351. The reversal of 1391456348 is 8436541931.

It is a junction number, because it is equal to n+sod(n) for n = 1391456299 and 1391456308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173932040 + ... + 173932047.

It is an arithmetic number, because the mean of its divisors is an integer number (405841436).

Almost surely, 2^1391456348 is an apocalyptic number.

It is an amenable number.

1391456348 is a deficient number, since it is larger than the sum of its proper divisors (1043592268).

1391456348 is a wasteful number, since it uses less digits than its factorization.

1391456348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347864091 (or 347864089 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 1391456348 is about 37302.2297993029. The cubic root of 1391456348 is about 1116.4086569669.

The spelling of 1391456348 in words is "one billion, three hundred ninety-one million, four hundred fifty-six thousand, three hundred forty-eight".