1349271180 has 72 divisors (see below), whose sum is σ = 4124103984. Its totient is φ = 357052800.

The previous prime is 1349271179. The next prime is 1349271199. The reversal of 1349271180 is 811729431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5031 + ... + 52190.

It is an arithmetic number, because the mean of its divisors is an integer number (57279222).

Almost surely, 2^1349271180 is an apocalyptic number.

1349271180 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 1349271180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062051992).

1349271180 is an abundant number, since it is smaller than the sum of its proper divisors (2774832804).

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

1349271180 is a wasteful number, since it uses less digits than its factorization.

1349271180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57367 (or 57362 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1349271180 is about 36732.4268188205. The cubic root of 1349271180 is about 1105.0105252098.

The spelling of 1349271180 in words is "one billion, three hundred forty-nine million, two hundred seventy-one thousand, one hundred eighty".