1349020500 has 96 divisors (see below), whose sum is σ = 3939062400. Its totient is φ = 358758400.

The previous prime is 1349020487. The next prime is 1349020513. The reversal of 1349020500 is 50209431.

It is an interprime number because it is at equal distance from previous prime (1349020487) and next prime (1349020513).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 672499 + ... + 674501.

It is an arithmetic number, because the mean of its divisors is an integer number (41031900).

Almost surely, 2^1349020500 is an apocalyptic number.

1349020500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969531200).

1349020500 is an abundant number, since it is smaller than the sum of its proper divisors (2590041900).

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

1349020500 is a wasteful number, since it uses less digits than its factorization.

1349020500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1349020500 is about 36729.0144163984. The cubic root of 1349020500 is about 1104.9420879677.

Adding to 1349020500 its reverse (50209431), we get a palindrome (1399229931).

The spelling of 1349020500 in words is "one billion, three hundred forty-nine million, twenty thousand, five hundred".