1348277820 has 48 divisors (see below), whose sum is σ = 3997250208. Its totient is φ = 338391040.

The previous prime is 1348277731. The next prime is 1348277863. The reversal of 1348277820 is 287728431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659901 + ... + 661940.

It is an arithmetic number, because the mean of its divisors is an integer number (83276046).

Almost surely, 2^1348277820 is an apocalyptic number.

1348277820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1348277820 is an abundant number, since it is smaller than the sum of its proper divisors (2648972388).

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

1348277820 is a wasteful number, since it uses less digits than its factorization.

1348277820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321870 (or 1321868 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1348277820 is about 36718.9027613844. The cubic root of 1348277820 is about 1104.7392818012.

The spelling of 1348277820 in words is "one billion, three hundred forty-eight million, two hundred seventy-seven thousand, eight hundred twenty".