1391467148 has 24 divisors (see below), whose sum is σ = 2491656384. Its totient is φ = 679622400.

The previous prime is 1391467123. The next prime is 1391467163. The reversal of 1391467148 is 8417641931.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1391467099 and 1391467108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94868 + ... + 108548.

It is an arithmetic number, because the mean of its divisors is an integer number (103819016).

Almost surely, 2^1391467148 is an apocalyptic number.

It is an amenable number.

1391467148 is a deficient number, since it is larger than the sum of its proper divisors (1100189236).

1391467148 is a wasteful number, since it uses less digits than its factorization.

1391467148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273 (or 14271 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 1391467148 is about 37302.3745624860. The cubic root of 1391467148 is about 1116.4115453512.

The spelling of 1391467148 in words is "one billion, three hundred ninety-one million, four hundred sixty-seven thousand, one hundred forty-eight".