1349700864 has 72 divisors (see below), whose sum is σ = 3602427360. Its totient is φ = 448616448.

The previous prime is 1349700857. The next prime is 1349700871. The reversal of 1349700864 is 4680079431.

It is an interprime number because it is at equal distance from previous prime (1349700857) and next prime (1349700871).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288754 + ... + 293390.

Almost surely, 2^1349700864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349700864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1801213680).

1349700864 is an abundant number, since it is smaller than the sum of its proper divisors (2252726496).

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

1349700864 is an equidigital number, since it uses as much as digits as its factorization.

1349700864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1349700864 is about 36738.2751908687. The cubic root of 1349700864 is about 1105.1278119734.

The spelling of 1349700864 in words is "one billion, three hundred forty-nine million, seven hundred thousand, eight hundred sixty-four".