1402132129 has 2 divisors, whose sum is σ = 1402132130. Its totient is φ = 1402132128.

The previous prime is 1402132111. The next prime is 1402132157. The reversal of 1402132129 is 9212312041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1188387729 + 213744400 = 34473^2 + 14620^2 .

It is an emirp because it is prime and its reverse (9212312041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1402132129 - 2²⁵ = 1368577697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402132159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701066064 + 701066065.

It is an arithmetic number, because the mean of its divisors is an integer number (701066065).

Almost surely, 2^1402132129 is an apocalyptic number.

It is an amenable number.

1402132129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402132129 is an equidigital number, since it uses as much as digits as its factorization.

1402132129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1402132129 is about 37445.0548003338. The cubic root of 1402132129 is about 1119.2565562048.

The spelling of 1402132129 in words is "one billion, four hundred two million, one hundred thirty-two thousand, one hundred twenty-nine".