1349926872 has 48 divisors (see below), whose sum is σ = 3925811160. Its totient is φ = 385693056.

The previous prime is 1349926867. The next prime is 1349926891. The reversal of 1349926872 is 2786299431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572773 + ... + 575124.

Almost surely, 2^1349926872 is an apocalyptic number.

1349926872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1349926872 is an abundant number, since it is smaller than the sum of its proper divisors (2575884288).

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

1349926872 is a wasteful number, since it uses less digits than its factorization.

1349926872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147920 (or 1147909 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 1349926872 is about 36741.3509822380. The cubic root of 1349926872 is about 1105.1894932425.

The spelling of 1349926872 in words is "one billion, three hundred forty-nine million, nine hundred twenty-six thousand, eight hundred seventy-two".