1402811429 has 4 divisors (see below), whose sum is σ = 1410080076. Its totient is φ = 1395542784.

The previous prime is 1402811387. The next prime is 1402811437. The reversal of 1402811429 is 9241182041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 191075329 + 1211736100 = 13823^2 + 34810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402811429 - 2²⁴ = 1386034213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402811395 and 1402811404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402811129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634034 + ... + 3634419.

It is an arithmetic number, because the mean of its divisors is an integer number (352520019).

Almost surely, 2^1402811429 is an apocalyptic number.

It is an amenable number.

1402811429 is a deficient number, since it is larger than the sum of its proper divisors (7268647).

1402811429 is an equidigital number, since it uses as much as digits as its factorization.

1402811429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268646.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1402811429 is about 37454.1243256334. The cubic root of 1402811429 is about 1119.4372781714.

The spelling of 1402811429 in words is "one billion, four hundred two million, eight hundred eleven thousand, four hundred twenty-nine".