1429390116 has 72 divisors (see below), whose sum is σ = 4504753344. Its totient is φ = 371269440.

The previous prime is 1429390099. The next prime is 1429390189. The reversal of 1429390116 is 6110939241.

It is a happy number.

It is a super-2 number, since 2×1429390116² = 4086312207436986912, which contains 22 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 255055 + ... + 260598.

Almost surely, 2^1429390116 is an apocalyptic number.

It is an amenable number.

1429390116 is an abundant number, since it is smaller than the sum of its proper divisors (3075363228).

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

1429390116 is a wasteful number, since it uses less digits than its factorization.

1429390116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515681 (or 515676 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1429390116 is about 37807.2759664063. The cubic root of 1429390116 is about 1126.4629831873.

The spelling of 1429390116 in words is "one billion, four hundred twenty-nine million, three hundred ninety thousand, one hundred sixteen".