1429313280 has 144 divisors (see below), whose sum is σ = 4712515584. Its totient is φ = 368824320.

The previous prime is 1429313273. The next prime is 1429313297. The reversal of 1429313280 is 823139241.

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, 113037 + ... + 125043.

Almost surely, 2^1429313280 is an apocalyptic number.

1429313280 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 1429313280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356257792).

1429313280 is an abundant number, since it is smaller than the sum of its proper divisors (3283202304).

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

1429313280 is a wasteful number, since it uses less digits than its factorization.

1429313280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1429313280 is about 37806.2597991391. The cubic root of 1429313280 is about 1126.4427987138.

The spelling of 1429313280 in words is "one billion, four hundred twenty-nine million, three hundred thirteen thousand, two hundred eighty".