1391129348 has 48 divisors (see below), whose sum is σ = 2816529408. Its totient is φ = 588900000.

The previous prime is 1391129347. The next prime is 1391129351. The reversal of 1391129348 is 8439211931.

It is not an unprimeable number, because it can be changed into a prime (1391129347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919913 + ... + 921423.

It is an arithmetic number, because the mean of its divisors is an integer number (58677696).

Almost surely, 2^1391129348 is an apocalyptic number.

It is an amenable number.

1391129348 is an abundant number, since it is smaller than the sum of its proper divisors (1425400060).

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

1391129348 is a wasteful number, since it uses less digits than its factorization.

1391129348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1902 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 1391129348 is about 37297.8464257657. The cubic root of 1391129348 is about 1116.3211960289.

The spelling of 1391129348 in words is "one billion, three hundred ninety-one million, one hundred twenty-nine thousand, three hundred forty-eight".